40328572 has 12 divisors (see below), whose sum is σ = 70879536. Its totient is φ = 20077280.

The previous prime is 40328569. The next prime is 40328581. The reversal of 40328572 is 27582304.

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, 20704 + ... + 22567.

It is an arithmetic number, because the mean of its divisors is an integer number (5906628).

Almost surely, 2^40328572 is an apocalyptic number.

It is an amenable number.

40328572 is a deficient number, since it is larger than the sum of its proper divisors (30550964).

40328572 is a wasteful number, since it uses less digits than its factorization.

40328572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43508 (or 43506 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 40328572 is about 6350.4780922384. The cubic root of 40328572 is about 342.9290539969.

The spelling of 40328572 in words is "forty million, three hundred twenty-eight thousand, five hundred seventy-two".