36641539136 has 56 divisors (see below), whose sum is σ = 73787910336. Its totient is φ = 18049687040.

The previous prime is 36641539133. The next prime is 36641539147. The reversal of 36641539136 is 63193514663.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (36641539133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10299470 + ... + 10303026.

It is an arithmetic number, because the mean of its divisors is an integer number (1317641256).

Almost surely, 2^36641539136 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 36641539136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36893955168).

36641539136 is an abundant number, since it is smaller than the sum of its proper divisors (37146371200).

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

36641539136 is a wasteful number, since it uses less digits than its factorization.

36641539136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5907 (or 5897 counting only the distinct ones).

The product of its digits is 1049760, while the sum is 47.

The spelling of 36641539136 in words is "thirty-six billion, six hundred forty-one million, five hundred thirty-nine thousand, one hundred thirty-six".