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44424221200 = 2452111060553
BaseRepresentation
bin101001010111111000…
…111101001000010000
311020200000000021000221
4221113320331020100
51211440100034300
632224101122424
73131605435612
oct512770751020
9136600007027
1044424221200
11179273509a7
1287396b9414
13425c846128
142215dccdb2
15125010731a
hexa57e3d210

44424221200 has 30 divisors (see below), whose sum is σ = 106729192394. Its totient is φ = 17769688320.

The previous prime is 44424221197. The next prime is 44424221201. The reversal of 44424221200 is 212242444.

It can be written as a sum of positive squares in 3 ways, for example, as 6544162816 + 37880058384 = 80896^2 + 194628^2 .

It is a super-2 number, since 2×444242212002 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (44424221201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55529877 + ... + 55530676.

Almost surely, 244424221200 is an apocalyptic number.

44424221200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44424221200 is an abundant number, since it is smaller than the sum of its proper divisors (62304971194).

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

44424221200 is a wasteful number, since it uses less digits than its factorization.

44424221200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111060571 (or 111060560 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 44424221200 its reverse (212242444), we get a palindrome (44636463644).

The spelling of 44424221200 in words is "forty-four billion, four hundred twenty-four million, two hundred twenty-one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 111060553 222121106 444242212 555302765 888484424 1110605530 1776968848 2221211060 2776513825 4442422120 5553027650 8884844240 11106055300 22212110600 44424221200