36439640368 has 10 divisors (see below), whose sum is σ = 70601803244. Its totient is φ = 18219820176.

The previous prime is 36439640327. The next prime is 36439640381. The reversal of 36439640368 is 86304693463.

36439640368 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1138738746 + ... + 1138738777.

Almost surely, 2^36439640368 is an apocalyptic number.

It is an amenable number.

36439640368 is a deficient number, since it is larger than the sum of its proper divisors (34162162876).

36439640368 is a wasteful number, since it uses less digits than its factorization.

36439640368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2277477531 (or 2277477525 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 52.

The spelling of 36439640368 in words is "thirty-six billion, four hundred thirty-nine million, six hundred forty thousand, three hundred sixty-eight".