40213528 has 16 divisors (see below), whose sum is σ = 76356000. Its totient is φ = 19851936.

The previous prime is 40213513. The next prime is 40213531. The reversal of 40213528 is 82531204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31183 + ... + 32446.

It is an arithmetic number, because the mean of its divisors is an integer number (4772250).

Almost surely, 2^40213528 is an apocalyptic number.

It is an amenable number.

40213528 is a deficient number, since it is larger than the sum of its proper divisors (36142472).

40213528 is a wasteful number, since it uses less digits than its factorization.

40213528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63714 (or 63710 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 40213528 is about 6341.4137225070. The cubic root of 40213528 is about 342.6026559280.

The spelling of 40213528 in words is "forty million, two hundred thirteen thousand, five hundred twenty-eight".