38956775142 has 16 divisors (see below), whose sum is σ = 78980860080. Its totient is φ = 12807706752.

The previous prime is 38956775141. The next prime is 38956775149. The reversal of 38956775142 is 24157765983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38956775141) 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, 44470767 + ... + 44471642.

It is an arithmetic number, because the mean of its divisors is an integer number (4936303755).

Almost surely, 2^38956775142 is an apocalyptic number.

38956775142 is an abundant number, since it is smaller than the sum of its proper divisors (40024084938).

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

38956775142 is a wasteful number, since it uses less digits than its factorization.

38956775142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88942487.

The product of its digits is 12700800, while the sum is 57.

The spelling of 38956775142 in words is "thirty-eight billion, nine hundred fifty-six million, seven hundred seventy-five thousand, one hundred forty-two".