402093330 has 32 divisors (see below), whose sum is σ = 965620224. Its totient is φ = 107158656.

The previous prime is 402093313. The next prime is 402093353. The reversal of 402093330 is 33390204.

It is a self number, because there is not a number n which added to its sum of digits gives 402093330.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63174 + ... + 69246.

It is an arithmetic number, because the mean of its divisors is an integer number (30175632).

Almost surely, 2^402093330 is an apocalyptic number.

402093330 is an abundant number, since it is smaller than the sum of its proper divisors (563526894).

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

402093330 is a wasteful number, since it uses less digits than its factorization.

402093330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8290.

The product of its (nonzero) digits is 1944, while the sum is 24.

The square root of 402093330 is about 20052.2649593506. The cubic root of 402093330 is about 738.0893796757.

The spelling of 402093330 in words is "four hundred two million, ninety-three thousand, three hundred thirty".