36404164644 has 12 divisors (see below), whose sum is σ = 84943050864. Its totient is φ = 12134721544.

The previous prime is 36404164607. The next prime is 36404164661. The reversal of 36404164644 is 44646140463.

36404164644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 36404164596 and 36404164605.

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, 1516840182 + ... + 1516840205.

It is an arithmetic number, because the mean of its divisors is an integer number (7078587572).

Almost surely, 2^36404164644 is an apocalyptic number.

It is an amenable number.

36404164644 is an abundant number, since it is smaller than the sum of its proper divisors (48538886220).

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

36404164644 is a wasteful number, since it uses less digits than its factorization.

36404164644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3033680394 (or 3033680392 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 42.

The spelling of 36404164644 in words is "thirty-six billion, four hundred four million, one hundred sixty-four thousand, six hundred forty-four".