40344503131 has 8 divisors (see below), whose sum is σ = 40735249920. Its totient is φ = 39954898368.

The previous prime is 40344503123. The next prime is 40344503179. The reversal of 40344503131 is 13130544304.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40344503131 - 2³ = 40344503123 is a prime.

It is a super-2 number, since 2×40344503131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40344503131.

It is not an unprimeable number, because it can be changed into a prime (40345503131) 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 7 ways as a sum of consecutive naturals, for example, 214426 + ... + 355903.

It is an arithmetic number, because the mean of its divisors is an integer number (5091906240).

Almost surely, 2^40344503131 is an apocalyptic number.

40344503131 is a deficient number, since it is larger than the sum of its proper divisors (390746789).

40344503131 is a wasteful number, since it uses less digits than its factorization.

40344503131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 571013.

The product of its (nonzero) digits is 8640, while the sum is 28.

The spelling of 40344503131 in words is "forty billion, three hundred forty-four million, five hundred three thousand, one hundred thirty-one".