40828732 has 12 divisors (see below), whose sum is σ = 81657520. Its totient is φ = 17498016.

The previous prime is 40828721. The next prime is 40828751. The reversal of 40828732 is 23782804.

40828732 is an admirable number.

It is a congruent number.

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, 729057 + ... + 729112.

Almost surely, 2^40828732 is an apocalyptic number.

It is an amenable number.

40828732 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40828732 is a wasteful number, since it uses less digits than its factorization.

40828732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1458180 (or 1458178 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 40828732 is about 6389.7364577892. The cubic root of 40828732 is about 344.3409163097.

The spelling of 40828732 in words is "forty million, eight hundred twenty-eight thousand, seven hundred thirty-two".