40675931 has 2 divisors, whose sum is σ = 40675932. Its totient is φ = 40675930.

The previous prime is 40675919. The next prime is 40675991. The reversal of 40675931 is 13957604.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40675931 - 2⁶ = 40675867 is a prime.

It is a super-2 number, since 2×40675931² = 3309062725433522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40675891 and 40675900.

It is not a weakly prime, because it can be changed into another prime (40675991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20337965 + 20337966.

It is an arithmetic number, because the mean of its divisors is an integer number (20337966).

Almost surely, 2^40675931 is an apocalyptic number.

40675931 is a deficient number, since it is larger than the sum of its proper divisors (1).

40675931 is an equidigital number, since it uses as much as digits as its factorization.

40675931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 40675931 is about 6377.7684968961. The cubic root of 40675931 is about 343.9108155093.

The spelling of 40675931 in words is "forty million, six hundred seventy-five thousand, nine hundred thirty-one".