40091052 has 24 divisors (see below), whose sum is σ = 93725632. Its totient is φ = 13338000.

The previous prime is 40091027. The next prime is 40091059. The reversal of 40091052 is 25019004.

It is not an unprimeable number, because it can be changed into a prime (40091059) 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, 3927 + ... + 9777.

Almost surely, 2^40091052 is an apocalyptic number.

It is an amenable number.

40091052 is an abundant number, since it is smaller than the sum of its proper divisors (53634580).

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

40091052 is a wasteful number, since it uses less digits than its factorization.

40091052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6429 (or 6427 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 40091052 is about 6331.7495212619. The cubic root of 40091052 is about 342.2544872380.

The spelling of 40091052 in words is "forty million, ninety-one thousand, fifty-two".