330402402 has 80 divisors (see below), whose sum is σ = 833842944. Its totient is φ = 96876000.

The previous prime is 330402377. The next prime is 330402407. The reversal of 330402402 is 204204033.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (330402407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 52252 + ... + 58232.

Almost surely, 2^330402402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 330402402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (416921472).

330402402 is an abundant number, since it is smaller than the sum of its proper divisors (503440542).

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

330402402 is a wasteful number, since it uses less digits than its factorization.

330402402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6037 (or 6028 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 330402402 is about 18176.9745007248. The cubic root of 330402402 is about 691.3230945773.

Adding to 330402402 its reverse (204204033), we get a palindrome (534606435).

The spelling of 330402402 in words is "three hundred thirty million, four hundred two thousand, four hundred two".