40876831 has 2 divisors, whose sum is σ = 40876832. Its totient is φ = 40876830.

The previous prime is 40876799. The next prime is 40876841. The reversal of 40876831 is 13867804.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40876831 - 2⁵ = 40876799 is a prime.

It is a super-2 number, since 2×40876831² = 3341830625205122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40876841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20438415 + 20438416.

It is an arithmetic number, because the mean of its divisors is an integer number (20438416).

Almost surely, 2^40876831 is an apocalyptic number.

40876831 is a deficient number, since it is larger than the sum of its proper divisors (1).

40876831 is an equidigital number, since it uses as much as digits as its factorization.

40876831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 40876831 is about 6393.4991202001. The cubic root of 40876831 is about 344.4760821866.

The spelling of 40876831 in words is "forty million, eight hundred seventy-six thousand, eight hundred thirty-one".