36630641388 has 24 divisors (see below), whose sum is σ = 93241632960. Its totient is φ = 11100194320.

The previous prime is 36630641371. The next prime is 36630641389. The reversal of 36630641388 is 88314603663.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (36630641389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138752298 + ... + 138752561.

It is an arithmetic number, because the mean of its divisors is an integer number (3885068040).

Almost surely, 2^36630641388 is an apocalyptic number.

It is an amenable number.

36630641388 is an abundant number, since it is smaller than the sum of its proper divisors (56610991572).

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

36630641388 is a wasteful number, since it uses less digits than its factorization.

36630641388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277504877 (or 277504875 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 48.

The spelling of 36630641388 in words is "thirty-six billion, six hundred thirty million, six hundred forty-one thousand, three hundred eighty-eight".