40046631 has 8 divisors (see below), whose sum is σ = 54637440. Its totient is φ = 26076792.

The previous prime is 40046603. The next prime is 40046681. The reversal of 40046631 is 13664004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40046631 - 2⁵ = 40046599 is a prime.

It is a super-2 number, since 2×40046631² = 3207465308900322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40046681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155091 + ... + 155348.

It is an arithmetic number, because the mean of its divisors is an integer number (6829680).

Almost surely, 2^40046631 is an apocalyptic number.

40046631 is a deficient number, since it is larger than the sum of its proper divisors (14590809).

40046631 is a wasteful number, since it uses less digits than its factorization.

40046631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310485.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 40046631 is about 6328.2407507932. The cubic root of 40046631 is about 342.1280342069.

The spelling of 40046631 in words is "forty million, forty-six thousand, six hundred thirty-one".