402842375 has 32 divisors (see below), whose sum is σ = 545213760. Its totient is φ = 295401600.

The previous prime is 402842371. The next prime is 402842381. The reversal of 402842375 is 573248204.

It is not a de Polignac number, because 402842375 - 2² = 402842371 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402842371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 254336 + ... + 255914.

It is an arithmetic number, because the mean of its divisors is an integer number (17037930).

Almost surely, 2^402842375 is an apocalyptic number.

402842375 is a deficient number, since it is larger than the sum of its proper divisors (142371385).

402842375 is a wasteful number, since it uses less digits than its factorization.

402842375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1764 (or 1754 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 35.

The square root of 402842375 is about 20070.9335856606. The cubic root of 402842375 is about 738.5474153030.

The spelling of 402842375 in words is "four hundred two million, eight hundred forty-two thousand, three hundred seventy-five".