402313325442 has 64 divisors (see below), whose sum is σ = 921694132224. Its totient is φ = 114681847680.

The previous prime is 402313325429. The next prime is 402313325473. The reversal of 402313325442 is 244523313204.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 41381142 + ... + 41390862.

It is an arithmetic number, because the mean of its divisors is an integer number (14401470816).

Almost surely, 2^402313325442 is an apocalyptic number.

402313325442 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

402313325442 is an abundant number, since it is smaller than the sum of its proper divisors (519380806782).

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

402313325442 is a wasteful number, since it uses less digits than its factorization.

402313325442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11903.

The product of its (nonzero) digits is 69120, while the sum is 33.

Adding to 402313325442 its reverse (244523313204), we get a palindrome (646836638646).

The spelling of 402313325442 in words is "four hundred two billion, three hundred thirteen million, three hundred twenty-five thousand, four hundred forty-two".