402327822338 has 18 divisors (see below), whose sum is σ = 653504073147. Its totient is φ = 185684382000.

The previous prime is 402327822301. The next prime is 402327822341. The reversal of 402327822338 is 833228723204.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 80955613729 + 321372208609 = 284527^2 + 566897^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=448513.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 11644088 + ... + 11678588.

Almost surely, 2^402327822338 is an apocalyptic number.

402327822338 is a deficient number, since it is larger than the sum of its proper divisors (251176250809).

402327822338 is an frugal number, since it uses more digits than its factorization.

402327822338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69030 (or 34516 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 44.

The spelling of 402327822338 in words is "four hundred two billion, three hundred twenty-seven million, eight hundred twenty-two thousand, three hundred thirty-eight".