40591059992 has 64 divisors (see below), whose sum is σ = 90712688640. Its totient is φ = 16661376000.

The previous prime is 40591059947. The next prime is 40591060033. The reversal of 40591059992 is 29995019504.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47867 + ... + 288917.

It is an arithmetic number, because the mean of its divisors is an integer number (1417385760).

Almost surely, 2^40591059992 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 40591059992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45356344320).

40591059992 is an abundant number, since it is smaller than the sum of its proper divisors (50121628648).

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

40591059992 is a wasteful number, since it uses less digits than its factorization.

40591059992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241192 (or 241188 counting only the distinct ones).

The product of its (nonzero) digits is 1312200, while the sum is 53.

The spelling of 40591059992 in words is "forty billion, five hundred ninety-one million, fifty-nine thousand, nine hundred ninety-two".