36404136064 has 32 divisors (see below), whose sum is σ = 72666477900. Its totient is φ = 18166275072.

The previous prime is 36404136047. The next prime is 36404136133. The reversal of 36404136064 is 46063140463.

It can be written as a sum of positive squares in 2 ways, for example, as 35479489600 + 924646464 = 188360^2 + 30408^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×36404136064² (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 3 ways as a sum of consecutive naturals, for example, 214227 + ... + 344530.

Almost surely, 2^36404136064 is an apocalyptic number.

It is an amenable number.

36404136064 is a deficient number, since it is larger than the sum of its proper divisors (36262341836).

36404136064 is an equidigital number, since it uses as much as digits as its factorization.

36404136064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559280 (or 559268 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 37.

The spelling of 36404136064 in words is "thirty-six billion, four hundred four million, one hundred thirty-six thousand, sixty-four".