36640695396 has 48 divisors (see below), whose sum is σ = 88483627008. Its totient is φ = 11788672800.

The previous prime is 36640695389. The next prime is 36640695397. The reversal of 36640695396 is 69359604663.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (36640695397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13891 + ... + 271061.

It is an arithmetic number, because the mean of its divisors is an integer number (1843408896).

Almost surely, 2^36640695396 is an apocalyptic number.

It is an amenable number.

36640695396 is an abundant number, since it is smaller than the sum of its proper divisors (51842931612).

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

36640695396 is a wasteful number, since it uses less digits than its factorization.

36640695396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257592 (or 257590 counting only the distinct ones).

The product of its (nonzero) digits is 18895680, while the sum is 57.

The spelling of 36640695396 in words is "thirty-six billion, six hundred forty million, six hundred ninety-five thousand, three hundred ninety-six".