38551672042 has 64 divisors (see below), whose sum is σ = 65748340224. Its totient is φ = 16820305920.

The previous prime is 38551672037. The next prime is 38551672073. The reversal of 38551672042 is 24027615583.

It is a self number, because there is not a number n which added to its sum of digits gives 38551672042.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21054067 + ... + 21055897.

It is an arithmetic number, because the mean of its divisors is an integer number (1027317816).

Almost surely, 2^38551672042 is an apocalyptic number.

38551672042 is a deficient number, since it is larger than the sum of its proper divisors (27196668182).

38551672042 is a wasteful number, since it uses less digits than its factorization.

38551672042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2263.

The product of its (nonzero) digits is 403200, while the sum is 43.

The spelling of 38551672042 in words is "thirty-eight billion, five hundred fifty-one million, six hundred seventy-two thousand, forty-two".