38615362731264 has 432 divisors, whose sum is σ = 114088011399936. Its totient is φ = 11585584496640.

The previous prime is 38615362731259. The next prime is 38615362731301. The reversal of 38615362731264 is 46213726351683.

It is a super-2 number, since 2×38615362731264² (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 47 ways as a sum of consecutive naturals, for example, 15614783532 + ... + 15614786004.

Almost surely, 2^{38615362731264} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38615362731264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57044005699968).

38615362731264 is an abundant number, since it is smaller than the sum of its proper divisors (75472648668672).

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

38615362731264 is a wasteful number, since it uses less digits than its factorization.

38615362731264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4114 (or 4089 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 57.

The spelling of 38615362731264 in words is "thirty-eight trillion, six hundred fifteen billion, three hundred sixty-two million, seven hundred thirty-one thousand, two hundred sixty-four".