40580631 has 24 divisors (see below), whose sum is σ = 72144800. Its totient is φ = 21404736.

The previous prime is 40580623. The next prime is 40580651. The reversal of 40580631 is 13608504.

It is not a de Polignac number, because 40580631 - 2³ = 40580623 is a prime.

It is a super-2 number, since 2×40580631² = 3293575224716322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40580595 and 40580604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40580651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23956 + ... + 25593.

Almost surely, 2^40580631 is an apocalyptic number.

40580631 is a deficient number, since it is larger than the sum of its proper divisors (31564169).

40580631 is a wasteful number, since it uses less digits than its factorization.

40580631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49575 (or 49572 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 40580631 is about 6370.2928504112. The cubic root of 40580631 is about 343.6420215786.

The spelling of 40580631 in words is "forty million, five hundred eighty thousand, six hundred thirty-one".