44637697989688 has 32 divisors (see below), whose sum is σ = 83869922178000. Its totient is φ = 22272395668480.

The previous prime is 44637697989659. The next prime is 44637697989701. The reversal of 44637697989688 is 88698979673644.

It is a super-2 number, since 2×44637697989688² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 44637697989596 and 44637697989605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34419183 + ... + 35692513.

Almost surely, 2^{44637697989688} is an apocalyptic number.

It is an amenable number.

44637697989688 is a deficient number, since it is larger than the sum of its proper divisors (39232224188312).

44637697989688 is a wasteful number, since it uses less digits than its factorization.

44637697989688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282455 (or 1282451 counting only the distinct ones).

The product of its digits is 189621927936, while the sum is 94.

The spelling of 44637697989688 in words is "forty-four trillion, six hundred thirty-seven billion, six hundred ninety-seven million, nine hundred eighty-nine thousand, six hundred eighty-eight".