40676831 has 4 divisors (see below), whose sum is σ = 43805832. Its totient is φ = 37547832.

The previous prime is 40676819. The next prime is 40676837. The reversal of 40676831 is 13867604.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40676831 is a prime.

It is a super-2 number, since 2×40676831² = 3309209160405122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40676791 and 40676800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40676837) 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 in 3 ways as a sum of consecutive naturals, for example, 1564481 + ... + 1564506.

It is an arithmetic number, because the mean of its divisors is an integer number (10951458).

Almost surely, 2^40676831 is an apocalyptic number.

40676831 is a deficient number, since it is larger than the sum of its proper divisors (3129001).

40676831 is a wasteful number, since it uses less digits than its factorization.

40676831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3129000.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 40676831 is about 6377.8390540998. The cubic root of 40676831 is about 343.9133519597.

The spelling of 40676831 in words is "forty million, six hundred seventy-six thousand, eight hundred thirty-one".