38831194528 has 48 divisors (see below), whose sum is σ = 89731563264. Its totient is φ = 16192154880.

The previous prime is 38831194517. The next prime is 38831194531. The reversal of 38831194528 is 82549113883.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2334328 + ... + 2350903.

It is an arithmetic number, because the mean of its divisors is an integer number (1869407568).

Almost surely, 2^38831194528 is an apocalyptic number.

It is an amenable number.

38831194528 is an abundant number, since it is smaller than the sum of its proper divisors (50900368736).

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

38831194528 is a wasteful number, since it uses less digits than its factorization.

38831194528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4685285 (or 4685277 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 52.

The spelling of 38831194528 in words is "thirty-eight billion, eight hundred thirty-one million, one hundred ninety-four thousand, five hundred twenty-eight".