402118375 has 16 divisors (see below), whose sum is σ = 528259680. Its totient is φ = 304761600.

The previous prime is 402118373. The next prime is 402118399. The reversal of 402118375 is 573811204.

402118375 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 402118375 - 2¹ = 402118373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402118373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82282 + ... + 87031.

It is an arithmetic number, because the mean of its divisors is an integer number (33016230).

Almost surely, 2^402118375 is an apocalyptic number.

402118375 is a deficient number, since it is larger than the sum of its proper divisors (126141305).

402118375 is a wasteful number, since it uses less digits than its factorization.

402118375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169347 (or 169337 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 402118375 is about 20052.8894426713. The cubic root of 402118375 is about 738.1047037007.

Adding to 402118375 its reverse (573811204), we get a palindrome (975929579).

The spelling of 402118375 in words is "four hundred two million, one hundred eighteen thousand, three hundred seventy-five".