38861040984 has 32 divisors (see below), whose sum is σ = 100502694000. Its totient is φ = 12507001472.

The previous prime is 38861040961. The next prime is 38861040989. The reversal of 38861040984 is 48904016883.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38861040989) 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, 27916719 + ... + 27918110.

Almost surely, 2^38861040984 is an apocalyptic number.

It is an amenable number.

38861040984 is an abundant number, since it is smaller than the sum of its proper divisors (61641653016).

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

38861040984 is a wasteful number, since it uses less digits than its factorization.

38861040984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55834867 (or 55834863 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 51.

The spelling of 38861040984 in words is "thirty-eight billion, eight hundred sixty-one million, forty thousand, nine hundred eighty-four".