36389998904 has 64 divisors (see below), whose sum is σ = 79326297600. Its totient is φ = 15327252864.

The previous prime is 36389998903. The next prime is 36389998913. The reversal of 36389998904 is 40989998363.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36389998903) 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, 1636082 + ... + 1658174.

It is an arithmetic number, because the mean of its divisors is an integer number (1239473400).

Almost surely, 2^36389998904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36389998904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39663148800).

36389998904 is an abundant number, since it is smaller than the sum of its proper divisors (42936298696).

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

36389998904 is a wasteful number, since it uses less digits than its factorization.

36389998904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22612 (or 22608 counting only the distinct ones).

The product of its (nonzero) digits is 90699264, while the sum is 68.

The spelling of 36389998904 in words is "thirty-six billion, three hundred eighty-nine million, nine hundred ninety-eight thousand, nine hundred four".