38628789320 has 32 divisors (see below), whose sum is σ = 94816120320. Its totient is φ = 14046832320.

The previous prime is 38628789289. The next prime is 38628789323. The reversal of 38628789320 is 2398782683.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (38628789323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43895912 + ... + 43896791.

It is an arithmetic number, because the mean of its divisors is an integer number (2963003760).

Almost surely, 2^38628789320 is an apocalyptic number.

It is an amenable number.

38628789320 is an abundant number, since it is smaller than the sum of its proper divisors (56187331000).

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

38628789320 is a wasteful number, since it uses less digits than its factorization.

38628789320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87792725 (or 87792721 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 56.

The spelling of 38628789320 in words is "thirty-eight billion, six hundred twenty-eight million, seven hundred eighty-nine thousand, three hundred twenty".