38649428958 has 32 divisors (see below), whose sum is σ = 88363192320. Its totient is φ = 11039988960.

The previous prime is 38649428903. The next prime is 38649429029. The reversal of 38649428958 is 85982494683.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64048 + ... + 285308.

It is an arithmetic number, because the mean of its divisors is an integer number (2761349760).

Almost surely, 2^38649428958 is an apocalyptic number.

38649428958 is an abundant number, since it is smaller than the sum of its proper divisors (49713763362).

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

38649428958 is a wasteful number, since it uses less digits than its factorization.

38649428958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225432.

The product of its digits is 119439360, while the sum is 66.

The spelling of 38649428958 in words is "thirty-eight billion, six hundred forty-nine million, four hundred twenty-eight thousand, nine hundred fifty-eight".