402432375 has 16 divisors (see below), whose sum is σ = 669648096. Its totient is φ = 214630400.

The previous prime is 402432367. The next prime is 402432397. The reversal of 402432375 is 573234204.

It is not a de Polignac number, because 402432375 - 2³ = 402432367 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 536202 + ... + 536951.

It is an arithmetic number, because the mean of its divisors is an integer number (41853006).

Almost surely, 2^402432375 is an apocalyptic number.

402432375 is a deficient number, since it is larger than the sum of its proper divisors (267215721).

402432375 is a wasteful number, since it uses less digits than its factorization.

402432375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073171 (or 1073161 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 30.

The square root of 402432375 is about 20060.7172105087. The cubic root of 402432375 is about 738.2967736581.

Adding to 402432375 its reverse (573234204), we get a palindrome (975666579).

The spelling of 402432375 in words is "four hundred two million, four hundred thirty-two thousand, three hundred seventy-five".