36398512920 has 256 divisors, whose sum is σ = 142059847680. Its totient is φ = 7234444800.

The previous prime is 36398512903. The next prime is 36398512957. The reversal of 36398512920 is 2921589363.

It is a self number, because there is not a number n which added to its sum of digits gives 36398512920.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 126885 + ... + 298155.

It is an arithmetic number, because the mean of its divisors is an integer number (554921280).

Almost surely, 2^36398512920 is an apocalyptic number.

36398512920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36398512920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71029923840).

36398512920 is an abundant number, since it is smaller than the sum of its proper divisors (105661334760).

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

36398512920 is a wasteful number, since it uses less digits than its factorization.

36398512920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171326 (or 171322 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 48.

The spelling of 36398512920 in words is "thirty-six billion, three hundred ninety-eight million, five hundred twelve thousand, nine hundred twenty".