38644324216256 has 56 divisors (see below), whose sum is σ = 84024708898176. Its totient is φ = 17488220337920.

The previous prime is 38644324216243. The next prime is 38644324216271. The reversal of 38644324216256 is 65261242344683.

It is a super-2 number, since 2×38644324216256² (a number of 28 digits) contains 22 as substring.

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, 120748796 + ... + 121068411.

Almost surely, 2^{38644324216256} is an apocalyptic number.

It is an amenable number.

38644324216256 is an abundant number, since it is smaller than the sum of its proper divisors (45380384681920).

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

38644324216256 is a wasteful number, since it uses less digits than its factorization.

38644324216256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241817457 (or 241817447 counting only the distinct ones).

The product of its digits is 39813120, while the sum is 56.

The spelling of 38644324216256 in words is "thirty-eight trillion, six hundred forty-four billion, three hundred twenty-four million, two hundred sixteen thousand, two hundred fifty-six".