38669540892 has 24 divisors (see below), whose sum is σ = 95536513296. Its totient is φ = 12131620608.

The previous prime is 38669540881. The next prime is 38669540893. The reversal of 38669540892 is 29804596683.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38669540893) 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, 94778083 + ... + 94778490.

It is an arithmetic number, because the mean of its divisors is an integer number (3980688054).

Almost surely, 2^38669540892 is an apocalyptic number.

It is an amenable number.

38669540892 is an abundant number, since it is smaller than the sum of its proper divisors (56866972404).

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

38669540892 is a wasteful number, since it uses less digits than its factorization.

38669540892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189556597 (or 189556595 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 60.

The spelling of 38669540892 in words is "thirty-eight billion, six hundred sixty-nine million, five hundred forty thousand, eight hundred ninety-two".