402130352 has 40 divisors (see below), whose sum is σ = 849206064. Its totient is φ = 183354624.

The previous prime is 402130349. The next prime is 402130381. The reversal of 402130352 is 253031204.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5618 + ... + 28910.

Almost surely, 2^402130352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402130352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (424603032).

402130352 is an abundant number, since it is smaller than the sum of its proper divisors (447075712).

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

402130352 is a wasteful number, since it uses less digits than its factorization.

402130352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23397 (or 23391 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 402130352 is about 20053.1880757150. The cubic root of 402130352 is about 738.1120317189.

Adding to 402130352 its reverse (253031204), we get a palindrome (655161556).

The spelling of 402130352 in words is "four hundred two million, one hundred thirty thousand, three hundred fifty-two".