40596431 has 2 divisors, whose sum is σ = 40596432. Its totient is φ = 40596430.

The previous prime is 40596427. The next prime is 40596467. The reversal of 40596431 is 13469504.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40596431 - 2² = 40596427 is a prime.

It is a super-2 number, since 2×40596431² = 3296140419875522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40596401) 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 as a sum of consecutive naturals, namely, 20298215 + 20298216.

It is an arithmetic number, because the mean of its divisors is an integer number (20298216).

Almost surely, 2^40596431 is an apocalyptic number.

40596431 is a deficient number, since it is larger than the sum of its proper divisors (1).

40596431 is an equidigital number, since it uses as much as digits as its factorization.

40596431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 40596431 is about 6371.5328610939. The cubic root of 40596431 is about 343.6866146049.

The spelling of 40596431 in words is "forty million, five hundred ninety-six thousand, four hundred thirty-one".