402130342 has 16 divisors (see below), whose sum is σ = 639066672. Its totient is φ = 189122560.

The previous prime is 402130331. The next prime is 402130343. The reversal of 402130342 is 243031204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402130343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83718 + ... + 88390.

It is an arithmetic number, because the mean of its divisors is an integer number (39941667).

Almost surely, 2^402130342 is an apocalyptic number.

402130342 is a deficient number, since it is larger than the sum of its proper divisors (236936330).

402130342 is a wasteful number, since it uses less digits than its factorization.

402130342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7223.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 402130342 is about 20053.1878263781. The cubic root of 402130342 is about 738.1120256005.

Adding to 402130342 its reverse (243031204), we get a palindrome (645161546).

The spelling of 402130342 in words is "four hundred two million, one hundred thirty thousand, three hundred forty-two".