36391400392 has 8 divisors (see below), whose sum is σ = 68233875750. Its totient is φ = 18195700192.

The previous prime is 36391400389. The next prime is 36391400393. The reversal of 36391400392 is 29300419363.

It can be written as a sum of positive squares in only one way, i.e., 21081297636 + 15310102756 = 145194^2 + 123734^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (36391400393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2274462517 + ... + 2274462532.

Almost surely, 2^36391400392 is an apocalyptic number.

It is an amenable number.

36391400392 is a deficient number, since it is larger than the sum of its proper divisors (31842475358).

36391400392 is a wasteful number, since it uses less digits than its factorization.

36391400392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4548925055 (or 4548925051 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 40.

The spelling of 36391400392 in words is "thirty-six billion, three hundred ninety-one million, four hundred thousand, three hundred ninety-two".