40385752 has 16 divisors (see below), whose sum is σ = 82607400. Its totient is φ = 18357120.

The previous prime is 40385747. The next prime is 40385783. The reversal of 40385752 is 25758304.

It is a happy 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, 229377 + ... + 229552.

Almost surely, 2^40385752 is an apocalyptic number.

It is an amenable number.

40385752 is an abundant number, since it is smaller than the sum of its proper divisors (42221648).

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

40385752 is a wasteful number, since it uses less digits than its factorization.

40385752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458946 (or 458942 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 40385752 is about 6354.9785208134. The cubic root of 40385752 is about 343.0910518247.

The spelling of 40385752 in words is "forty million, three hundred eighty-five thousand, seven hundred fifty-two".