40413323431 has 16 divisors (see below), whose sum is σ = 43622978560. Its totient is φ = 37218204000.

The previous prime is 40413323411. The next prime is 40413323441. The reversal of 40413323431 is 13432331404.

It is a cyclic number.

It is not a de Polignac number, because 40413323431 - 2¹⁷ = 40413192359 is a prime.

It is a super-2 number, since 2×40413323431² (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 40413323431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40413323411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18343576 + ... + 18345778.

It is an arithmetic number, because the mean of its divisors is an integer number (2726436160).

Almost surely, 2^40413323431 is an apocalyptic number.

40413323431 is a deficient number, since it is larger than the sum of its proper divisors (3209655129).

40413323431 is a wasteful number, since it uses less digits than its factorization.

40413323431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4846.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 40413323431 its reverse (13432331404), we get a palindrome (53845654835).

The spelling of 40413323431 in words is "forty billion, four hundred thirteen million, three hundred twenty-three thousand, four hundred thirty-one".