40312752 has 40 divisors (see below), whose sum is σ = 105469440. Its totient is φ = 13266240.

The previous prime is 40312751. The next prime is 40312759. The reversal of 40312752 is 25721304.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (40312751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1524 + ... + 9107.

It is an arithmetic number, because the mean of its divisors is an integer number (2636736).

Almost surely, 2^40312752 is an apocalyptic number.

It is an amenable number.

40312752 is an abundant number, since it is smaller than the sum of its proper divisors (65156688).

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

40312752 is a wasteful number, since it uses less digits than its factorization.

40312752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10721 (or 10715 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 40312752 is about 6349.2323945498. The cubic root of 40312752 is about 342.8842069906.

The spelling of 40312752 in words is "forty million, three hundred twelve thousand, seven hundred fifty-two".