40404414431 has 2 divisors, whose sum is σ = 40404414432. Its totient is φ = 40404414430.

The previous prime is 40404414331. The next prime is 40404414461. The reversal of 40404414431 is 13441440404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40404414431 - 2¹⁰ = 40404413407 is a prime.

It is a super-2 number, since 2×40404414431² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40404414394 and 40404414403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40404414461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20202207215 + 20202207216.

It is an arithmetic number, because the mean of its divisors is an integer number (20202207216).

Almost surely, 2^40404414431 is an apocalyptic number.

40404414431 is a deficient number, since it is larger than the sum of its proper divisors (1).

40404414431 is an equidigital number, since it uses as much as digits as its factorization.

40404414431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 40404414431 its reverse (13441440404), we get a palindrome (53845854835).

The spelling of 40404414431 in words is "forty billion, four hundred four million, four hundred fourteen thousand, four hundred thirty-one".