36117944980 has 96 divisors (see below), whose sum is σ = 84034589184. Its totient is φ = 12956696064.

The previous prime is 36117944977. The next prime is 36117945013. The reversal of 36117944980 is 8944971163.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1406617 + ... + 1432063.

It is an arithmetic number, because the mean of its divisors is an integer number (875360304).

Almost surely, 2^36117944980 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 36117944980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42017294592).

36117944980 is an abundant number, since it is smaller than the sum of its proper divisors (47916644204).

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

36117944980 is a wasteful number, since it uses less digits than its factorization.

36117944980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25625 (or 25623 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 52.

The spelling of 36117944980 in words is "thirty-six billion, one hundred seventeen million, nine hundred forty-four thousand, nine hundred eighty".