38632056915781 has 8 divisors (see below), whose sum is σ = 44167341296960. Its totient is φ = 33100877311488.

The previous prime is 38632056915779. The next prime is 38632056915847. The reversal of 38632056915781 is 18751965023683.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38632056915781 - 2¹ = 38632056915779 is a prime.

It is a super-2 number, since 2×38632056915781² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38632056915731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1026174051 + ... + 1026211696.

It is an arithmetic number, because the mean of its divisors is an integer number (5520917662120).

Almost surely, 2^{38632056915781} is an apocalyptic number.

It is an amenable number.

38632056915781 is a deficient number, since it is larger than the sum of its proper divisors (5535284381179).

38632056915781 is a wasteful number, since it uses less digits than its factorization.

38632056915781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2052388443.

The product of its (nonzero) digits is 65318400, while the sum is 64.

The spelling of 38632056915781 in words is "thirty-eight trillion, six hundred thirty-two billion, fifty-six million, nine hundred fifteen thousand, seven hundred eighty-one".