38628379930 has 32 divisors (see below), whose sum is σ = 80766794880. Its totient is φ = 13026899520.

The previous prime is 38628379903. The next prime is 38628379943. The reversal of 38628379930 is 3997382683.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 4518960 + ... + 4527499.

It is an arithmetic number, because the mean of its divisors is an integer number (2523962340).

Almost surely, 2^38628379930 is an apocalyptic number.

38628379930 is an abundant number, since it is smaller than the sum of its proper divisors (42138414950).

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

38628379930 is a wasteful number, since it uses less digits than its factorization.

38628379930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9046534.

The product of its (nonzero) digits is 11757312, while the sum is 58.

The spelling of 38628379930 in words is "thirty-eight billion, six hundred twenty-eight million, three hundred seventy-nine thousand, nine hundred thirty".