40404413131 has 8 divisors (see below), whose sum is σ = 41394821328. Its totient is φ = 39414240000.

The previous prime is 40404413123. The next prime is 40404413141. The reversal of 40404413131 is 13131440404.

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 40404413131 - 2³ = 40404413123 is a prime.

It is a super-2 number, since 2×40404413131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40404413096 and 40404413105.

It is not an unprimeable number, because it can be changed into a prime (40404413141) 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, 318531 + ... + 426931.

It is an arithmetic number, because the mean of its divisors is an integer number (5174352666).

Almost surely, 2^40404413131 is an apocalyptic number.

40404413131 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

40404413131 is a deficient number, since it is larger than the sum of its proper divisors (990408197).

40404413131 is a wasteful number, since it uses less digits than its factorization.

40404413131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117533.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 40404413131 its reverse (13131440404), we get a palindrome (53535853535).

The spelling of 40404413131 in words is "forty billion, four hundred four million, four hundred thirteen thousand, one hundred thirty-one".