44008738560 has 576 divisors, whose sum is σ = 160903680000. Its totient is φ = 11528884224.

The previous prime is 44008738549. The next prime is 44008738567. The reversal of 44008738560 is 6583780044.

44008738560 is a `hidden beast` number, since 4 + 4 + 0 + 0 + 87 + 3 + 8 + 560 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44008738567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 221149341 + ... + 221149539.

Almost surely, 2^44008738560 is an apocalyptic number.

44008738560 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 44008738560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80451840000).

44008738560 is an abundant number, since it is smaller than the sum of its proper divisors (116894941440).

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

44008738560 is an frugal number, since it uses more digits than its factorization.

44008738560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 44008738560 in words is "forty-four billion, eight million, seven hundred thirty-eight thousand, five hundred sixty".