40913039636 has 96 divisors (see below), whose sum is σ = 84983808000. Its totient is φ = 16869409920.

The previous prime is 40913039627. The next prime is 40913039683. The reversal of 40913039636 is 63693031904.

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, 39376805 + ... + 39377843.

It is an arithmetic number, because the mean of its divisors is an integer number (885248000).

Almost surely, 2^40913039636 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 40913039636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42491904000).

40913039636 is an abundant number, since it is smaller than the sum of its proper divisors (44070768364).

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

40913039636 is a wasteful number, since it uses less digits than its factorization.

40913039636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477 (or 1475 counting only the distinct ones).

The product of its (nonzero) digits is 314928, while the sum is 44.

The spelling of 40913039636 in words is "forty billion, nine hundred thirteen million, thirty-nine thousand, six hundred thirty-six".