40430131324 has 96 divisors (see below), whose sum is σ = 81964048320. Its totient is φ = 17281382400.

The previous prime is 40430131309. The next prime is 40430131327. The reversal of 40430131324 is 42313103404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40430131327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7272754 + ... + 7278310.

It is an arithmetic number, because the mean of its divisors is an integer number (853792170).

Almost surely, 2^40430131324 is an apocalyptic number.

40430131324 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40430131324 is an abundant number, since it is smaller than the sum of its proper divisors (41533916996).

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

40430131324 is a wasteful number, since it uses less digits than its factorization.

40430131324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5759 (or 5757 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 40430131324 its reverse (42313103404), we get a palindrome (82743234728).

The spelling of 40430131324 in words is "forty billion, four hundred thirty million, one hundred thirty-one thousand, three hundred twenty-four".