44657275644 has 48 divisors (see below), whose sum is σ = 116924468640. Its totient is φ = 14738371200.

The previous prime is 44657275631. The next prime is 44657275661.

44657275644 is a `hidden beast` number, since 4 + 4 + 6 + 5 + 72 + 7 + 564 + 4 = 666.

44657275644 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×44657275644² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 2036089 + ... + 2057904.

It is an arithmetic number, because the mean of its divisors is an integer number (2435926430).

Almost surely, 2^44657275644 is an apocalyptic number.

It is an amenable number.

44657275644 is an abundant number, since it is smaller than the sum of its proper divisors (72267192996).

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

44657275644 is a wasteful number, since it uses less digits than its factorization.

44657275644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4094107 (or 4094099 counting only the distinct ones).

The product of its digits is 22579200, while the sum is 54.

The spelling of 44657275644 in words is "forty-four billion, six hundred fifty-seven million, two hundred seventy-five thousand, six hundred forty-four".