36634985802 has 128 divisors (see below), whose sum is σ = 84595230720. Its totient is φ = 11744248320.

The previous prime is 36634985797. The next prime is 36634985809. The reversal of 36634985802 is 20858943663.

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

It is not an unprimeable number, because it can be changed into a prime (36634985809) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 70047513 + ... + 70048035.

It is an arithmetic number, because the mean of its divisors is an integer number (660900240).

Almost surely, 2^36634985802 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36634985802, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42297615360).

36634985802 is an abundant number, since it is smaller than the sum of its proper divisors (47960244918).

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

36634985802 is a wasteful number, since it uses less digits than its factorization.

36634985802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985 (or 979 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 54.

The spelling of 36634985802 in words is "thirty-six billion, six hundred thirty-four million, nine hundred eighty-five thousand, eight hundred two".