40282631 has 12 divisors (see below), whose sum is σ = 41844792. Its totient is φ = 38766000.

The previous prime is 40282607. The next prime is 40282651. The reversal of 40282631 is 13628204.

It is not a de Polignac number, because 40282631 - 2¹⁰ = 40281607 is a prime.

It is a super-2 number, since 2×40282631² = 3245380720564322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40282631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40282651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 307436 + ... + 307566.

It is an arithmetic number, because the mean of its divisors is an integer number (3487066).

Almost surely, 2^40282631 is an apocalyptic number.

40282631 is a deficient number, since it is larger than the sum of its proper divisors (1562161).

40282631 is an equidigital number, since it uses as much as digits as its factorization.

40282631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334 (or 263 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 40282631 is about 6346.8599322815. The cubic root of 40282631 is about 342.7987866371.

The spelling of 40282631 in words is "forty million, two hundred eighty-two thousand, six hundred thirty-one".