402354402 has 32 divisors (see below), whose sum is σ = 872835264. Its totient is φ = 123148800.

The previous prime is 402354371. The next prime is 402354409. The reversal of 402354402 is 204453204.

It is a super-3 number, since 3×402354402³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (402354409) 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, 43924 + ... + 52287.

It is an arithmetic number, because the mean of its divisors is an integer number (27276102).

Almost surely, 2^402354402 is an apocalyptic number.

402354402 is an abundant number, since it is smaller than the sum of its proper divisors (470480862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

402354402 is a wasteful number, since it uses less digits than its factorization.

402354402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96274.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 402354402 is about 20058.7736913302. The cubic root of 402354402 is about 738.2490878552.

The spelling of 402354402 in words is "four hundred two million, three hundred fifty-four thousand, four hundred two".