40591744692 has 24 divisors (see below), whose sum is σ = 94718052576. Its totient is φ = 13530012768.

The previous prime is 40591744667. The next prime is 40591744811. The reversal of 40591744692 is 29644719504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306438 + ... + 418434.

It is an arithmetic number, because the mean of its divisors is an integer number (3946585524).

Almost surely, 2^40591744692 is an apocalyptic number.

It is an amenable number.

40591744692 is an abundant number, since it is smaller than the sum of its proper divisors (54126307884).

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

40591744692 is a wasteful number, since it uses less digits than its factorization.

40591744692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142207 (or 142205 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 51.

The spelling of 40591744692 in words is "forty billion, five hundred ninety-one million, seven hundred forty-four thousand, six hundred ninety-two".