252404018 has 8 divisors (see below), whose sum is σ = 398532720. Its totient is φ = 119559780.

The previous prime is 252403979. The next prime is 252404051. The reversal of 252404018 is 810404252.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 3321068 + ... + 3321143.

It is an arithmetic number, because the mean of its divisors is an integer number (49816590).

Almost surely, 2^252404018 is an apocalyptic number.

252404018 is a deficient number, since it is larger than the sum of its proper divisors (146128702).

252404018 is a wasteful number, since it uses less digits than its factorization.

252404018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6642232.

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 252404018 is about 15887.2281408684. The cubic root of 252404018 is about 631.9733354797.

The spelling of 252404018 in words is "two hundred fifty-two million, four hundred four thousand, eighteen".