40881257592 has 32 divisors (see below), whose sum is σ = 116803593600. Its totient is φ = 11680359264.

The previous prime is 40881257591. The next prime is 40881257617. The reversal of 40881257592 is 29575218804.

40881257592 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40881257591) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121670242 + ... + 121670577.

It is an arithmetic number, because the mean of its divisors is an integer number (3650112300).

Almost surely, 2^40881257592 is an apocalyptic number.

40881257592 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

40881257592 is an abundant number, since it is smaller than the sum of its proper divisors (75922336008).

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

40881257592 is a wasteful number, since it uses less digits than its factorization.

40881257592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243340835 (or 243340831 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 51.

The spelling of 40881257592 in words is "forty billion, eight hundred eighty-one million, two hundred fifty-seven thousand, five hundred ninety-two".