40630684 has 24 divisors (see below), whose sum is σ = 72365328. Its totient is φ = 19958400.

The previous prime is 40630669. The next prime is 40630691. The reversal of 40630684 is 48603604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65544 + ... + 66160.

It is an arithmetic number, because the mean of its divisors is an integer number (3015222).

Almost surely, 2^40630684 is an apocalyptic number.

It is an amenable number.

40630684 is a deficient number, since it is larger than the sum of its proper divisors (31734644).

40630684 is a wasteful number, since it uses less digits than its factorization.

40630684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885 (or 883 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 40630684 is about 6374.2202660404. The cubic root of 40630684 is about 343.7832486187.

It can be divided in two parts, 40630 and 684, that added together give a palindrome (41314).

The spelling of 40630684 in words is "forty million, six hundred thirty thousand, six hundred eighty-four".