402334430344 has 32 divisors (see below), whose sum is σ = 940522046400. Its totient is φ = 156753673920.

The previous prime is 402334430273. The next prime is 402334430387. The reversal of 402334430344 is 443034433204.

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, 326569539 + ... + 326570770.

It is an arithmetic number, because the mean of its divisors is an integer number (29391313950).

Almost surely, 2^402334430344 is an apocalyptic number.

402334430344 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

402334430344 is an abundant number, since it is smaller than the sum of its proper divisors (538187616056).

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

402334430344 is a wasteful number, since it uses less digits than its factorization.

402334430344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653140333 (or 653140329 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 34.

Adding to 402334430344 its reverse (443034433204), we get a palindrome (845368863548).

The spelling of 402334430344 in words is "four hundred two billion, three hundred thirty-four million, four hundred thirty thousand, three hundred forty-four".