402300342 has 48 divisors (see below), whose sum is σ = 935973792. Its totient is φ = 124427520.

The previous prime is 402300331. The next prime is 402300403. The reversal of 402300342 is 243003204.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12468 + ... + 30984.

It is an arithmetic number, because the mean of its divisors is an integer number (19499454).

Almost surely, 2^402300342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402300342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (467986896).

402300342 is an abundant number, since it is smaller than the sum of its proper divisors (533673450).

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

402300342 is a wasteful number, since it uses less digits than its factorization.

402300342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18613 (or 18610 counting only the distinct ones).

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

The square root of 402300342 is about 20057.4261060586. The cubic root of 402300342 is about 738.2160228649.

Adding to 402300342 its reverse (243003204), we get a palindrome (645303546).

The spelling of 402300342 in words is "four hundred two million, three hundred thousand, three hundred forty-two".