40131542044 has 12 divisors (see below), whose sum is σ = 76614762168. Its totient is φ = 18241610000.

The previous prime is 40131542021. The next prime is 40131542047. The reversal of 40131542044 is 44024513104.

It is a super-2 number, since 2×40131542044² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40131542047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 456040207 + ... + 456040294.

It is an arithmetic number, because the mean of its divisors is an integer number (6384563514).

Almost surely, 2^40131542044 is an apocalyptic number.

40131542044 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40131542044 is a deficient number, since it is larger than the sum of its proper divisors (36483220124).

40131542044 is a wasteful number, since it uses less digits than its factorization.

40131542044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912080516 (or 912080514 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The spelling of 40131542044 in words is "forty billion, one hundred thirty-one million, five hundred forty-two thousand, forty-four".