40085452 has 12 divisors (see below), whose sum is σ = 76526856. Its totient is φ = 18220640.

The previous prime is 40085447. The next prime is 40085483. The reversal of 40085452 is 25458004.

It is a self number, because there is not a number n which added to its sum of digits gives 40085452.

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, 455473 + ... + 455560.

It is an arithmetic number, because the mean of its divisors is an integer number (6377238).

Almost surely, 2^40085452 is an apocalyptic number.

It is an amenable number.

40085452 is a deficient number, since it is larger than the sum of its proper divisors (36441404).

40085452 is a wasteful number, since it uses less digits than its factorization.

40085452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911048 (or 911046 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 40085452 is about 6331.3072899678. The cubic root of 40085452 is about 342.2385508941.

The spelling of 40085452 in words is "forty million, eighty-five thousand, four hundred fifty-two".