40131425532 has 48 divisors (see below), whose sum is σ = 102723465600. Its totient is φ = 12093092160.

The previous prime is 40131425519. The next prime is 40131425539. The reversal of 40131425532 is 23552413104.

It is a super-2 number, since 2×40131425532² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40131425532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40131425539) by changing a digit.

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, 825607 + ... + 872862.

It is an arithmetic number, because the mean of its divisors is an integer number (2140072200).

Almost surely, 2^40131425532 is an apocalyptic number.

It is an amenable number.

40131425532 is an abundant number, since it is smaller than the sum of its proper divisors (62592040068).

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

40131425532 is a wasteful number, since it uses less digits than its factorization.

40131425532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1698666 (or 1698664 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 40131425532 its reverse (23552413104), we get a palindrome (63683838636).

The spelling of 40131425532 in words is "forty billion, one hundred thirty-one million, four hundred twenty-five thousand, five hundred thirty-two".