36387321984 has 128 divisors (see below), whose sum is σ = 115654291200. Its totient is φ = 11196085248.

The previous prime is 36387321979. The next prime is 36387321991. The reversal of 36387321984 is 48912378363.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 36387321984.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 360024 + ... + 449879.

It is an arithmetic number, because the mean of its divisors is an integer number (903549150).

Almost surely, 2^36387321984 is an apocalyptic number.

It is an amenable number.

36387321984 is an abundant number, since it is smaller than the sum of its proper divisors (79266969216).

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

36387321984 is a wasteful number, since it uses less digits than its factorization.

36387321984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809939 (or 809921 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 54.

The spelling of 36387321984 in words is "thirty-six billion, three hundred eighty-seven million, three hundred twenty-one thousand, nine hundred eighty-four".