40630688 has 24 divisors (see below), whose sum is σ = 91419552. Its totient is φ = 17413056.

The previous prime is 40630669. The next prime is 40630691. The reversal of 40630688 is 88603604.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90470 + ... + 90917.

It is an arithmetic number, because the mean of its divisors is an integer number (3809148).

Almost surely, 2^40630688 is an apocalyptic number.

It is an amenable number.

40630688 is an abundant number, since it is smaller than the sum of its proper divisors (50788864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40630688 is a wasteful number, since it uses less digits than its factorization.

40630688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181404 (or 181396 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 40630688 is about 6374.2205798042. The cubic root of 40630688 is about 343.7832599003.

The spelling of 40630688 in words is "forty million, six hundred thirty thousand, six hundred eighty-eight".