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4405000000 = 2657881
BaseRepresentation
bin1000001101000111…
…01111011101000000
3102100222210012000011
410012203233131000
533010140000000
62005034234304
7214105611412
oct40643573500
912328705004
104405000000
111960564775
12a2b285994
135527c3a9b
142db05a9b2
151abac52ba
hex1068ef740

4405000000 has 112 divisors (see below), whose sum is σ = 10938839184. Its totient is φ = 1760000000.

The previous prime is 4404999959. The next prime is 4405000031. The reversal of 4405000000 is 5044.

It can be written as a sum of positive squares in 8 ways, for example, as 2692364544 + 1712635456 = 51888^2 + 41384^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4999560 + ... + 5000440.

It is an arithmetic number, because the mean of its divisors is an integer number (97668207).

Almost surely, 24405000000 is an apocalyptic number.

4405000000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4405000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5469419592).

4405000000 is an abundant number, since it is smaller than the sum of its proper divisors (6533839184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4405000000 is an frugal number, since it uses more digits than its factorization.

4405000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928 (or 888 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 4405000000 is about 66370.1740241805. The cubic root of 4405000000 is about 1639.2630041690.

Adding to 4405000000 its reverse (5044), we get a palindrome (4405005044).

The spelling of 4405000000 in words is "four billion, four hundred five million", and thus it is an aban number.

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 160 200 250 320 400 500 625 800 881 1000 1250 1600 1762 2000 2500 3125 3524 4000 4405 5000 6250 7048 8000 8810 10000 12500 14096 15625 17620 20000 22025 25000 28192 31250 35240 40000 44050 50000 56384 62500 70480 78125 88100 100000 110125 125000 140960 156250 176200 200000 220250 250000 281920 312500 352400 440500 500000 550625 625000 704800 881000 1000000 1101250 1250000 1409600 1762000 2202500 2500000 2753125 3524000 4405000 5000000 5506250 7048000 8810000 11012500 13765625 17620000 22025000 27531250 35240000 44050000 55062500 68828125 88100000 110125000 137656250 176200000 220250000 275312500 440500000 550625000 881000000 1101250000 2202500000 4405000000