365428163538 has 48 divisors (see below), whose sum is σ = 795148933176. Its totient is φ = 121288796160.

The previous prime is 365428163521. The next prime is 365428163549. The reversal of 365428163538 is 835361824563.

365428163538 is a `hidden beast` number, since 3 + 6 + 5 + 4 + 281 + 6 + 353 + 8 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 349249086729 + 16179076809 = 590973^2 + 127197^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7222906 + ... + 7273322.

Almost surely, 2^365428163538 is an apocalyptic number.

365428163538 is an abundant number, since it is smaller than the sum of its proper divisors (429720769638).

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

365428163538 is a wasteful number, since it uses less digits than its factorization.

365428163538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52139 (or 52136 counting only the distinct ones).

The product of its digits is 12441600, while the sum is 54.

The spelling of 365428163538 in words is "three hundred sixty-five billion, four hundred twenty-eight million, one hundred sixty-three thousand, five hundred thirty-eight".