36396821904 has 40 divisors (see below), whose sum is σ = 94446788352. Its totient is φ = 12077865600.

The previous prime is 36396821869. The next prime is 36396821911. The reversal of 36396821904 is 40912869363.

36396821904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×36396821904² (a number of 22 digits) contains 22 as substring.

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, 1689447 + ... + 1710854.

Almost surely, 2^36396821904 is an apocalyptic number.

It is an amenable number.

36396821904 is an abundant number, since it is smaller than the sum of its proper divisors (58049966448).

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

36396821904 is a wasteful number, since it uses less digits than its factorization.

36396821904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3400535 (or 3400529 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 51.

The spelling of 36396821904 in words is "thirty-six billion, three hundred ninety-six million, eight hundred twenty-one thousand, nine hundred four".