40158852 has 24 divisors (see below), whose sum is σ = 96936000. Its totient is φ = 12924576.

The previous prime is 40158841. The next prime is 40158869. The reversal of 40158852 is 25885104.

It is a super-2 number, since 2×40158852² = 3225466787915808, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57352 + ... + 58047.

It is an arithmetic number, because the mean of its divisors is an integer number (4039000).

Almost surely, 2^40158852 is an apocalyptic number.

It is an amenable number.

40158852 is an abundant number, since it is smaller than the sum of its proper divisors (56777148).

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

40158852 is a wasteful number, since it uses less digits than its factorization.

40158852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115435 (or 115433 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 33.

The square root of 40158852 is about 6337.1012300578. The cubic root of 40158852 is about 342.4473131878.

The spelling of 40158852 in words is "forty million, one hundred fifty-eight thousand, eight hundred fifty-two".