40152188 has 12 divisors (see below), whose sum is σ = 70452480. Its totient is φ = 20022912.

The previous prime is 40152179. The next prime is 40152197. The reversal of 40152188 is 88125104.

40152188 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40152179) and next prime (40152197).

It is a super-2 number, since 2×40152188² = 3224396402374688, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40152188.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11573 + ... + 14636.

It is an arithmetic number, because the mean of its divisors is an integer number (5871040).

Almost surely, 2^40152188 is an apocalyptic number.

It is an amenable number.

40152188 is a deficient number, since it is larger than the sum of its proper divisors (30300292).

40152188 is a wasteful number, since it uses less digits than its factorization.

40152188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26596 (or 26594 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 29.

The square root of 40152188 is about 6336.5754157905. The cubic root of 40152188 is about 342.4283701236.

The spelling of 40152188 in words is "forty million, one hundred fifty-two thousand, one hundred eighty-eight".