40338624 has 28 divisors (see below), whose sum is σ = 106729784. Its totient is φ = 13446144.

The previous prime is 40338589. The next prime is 40338631. The reversal of 40338624 is 42683304.

It is a junction number, because it is equal to n+sod(n) for n = 40338591 and 40338600.

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, 104857 + ... + 105240.

It is an arithmetic number, because the mean of its divisors is an integer number (3811778).

Almost surely, 2^40338624 is an apocalyptic number.

It is an amenable number.

40338624 is an abundant number, since it is smaller than the sum of its proper divisors (66391160).

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

40338624 is a wasteful number, since it uses less digits than its factorization.

40338624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210112 (or 210102 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 40338624 is about 6351.2694794033. The cubic root of 40338624 is about 342.9575436121.

The spelling of 40338624 in words is "forty million, three hundred thirty-eight thousand, six hundred twenty-four".