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40044008480 = 255735753579
BaseRepresentation
bin100101010010110011…
…110001010000100000
310211100201212101210012
4211102303301100200
51124002231232410
630221310024052
72615220312260
oct452263612040
9124321771705
1040044008480
1115a89887293
1279167a8028
133a12220798
141d1c3857a0
1510957cb605
hex952cf1420

40044008480 has 48 divisors (see below), whose sum is σ = 108118825920. Its totient is φ = 13729373952.

The previous prime is 40044008471. The next prime is 40044008483. The reversal of 40044008480 is 8480044004.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (40044008483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17875670 + ... + 17877909.

It is an arithmetic number, because the mean of its divisors is an integer number (2252475540).

Almost surely, 240044008480 is an apocalyptic number.

40044008480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40044008480 is an abundant number, since it is smaller than the sum of its proper divisors (68074817440).

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

40044008480 is a wasteful number, since it uses less digits than its factorization.

40044008480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35753601 (or 35753593 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 32.

The spelling of 40044008480 in words is "forty billion, forty-four million, eight thousand, four hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 70 80 112 140 160 224 280 560 1120 35753579 71507158 143014316 178767895 250275053 286028632 357535790 500550106 572057264 715071580 1001100212 1144114528 1251375265 1430143160 2002200424 2502750530 2860286320 4004400848 5005501060 5720572640 8008801696 10011002120 20022004240 40044008480