402442453321504 has 24 divisors (see below), whose sum is σ = 794304319497948. Its totient is φ = 200714372179200.

The previous prime is 402442453321471. The next prime is 402442453321511. The reversal of 402442453321504 is 405123354244204.

It can be written as a sum of positive squares in 2 ways, for example, as 402437782965904 + 4670355600 = 20060852^2 + 68340^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15839189647 + ... + 15839215054.

Almost surely, 2^{402442453321504} is an apocalyptic number.

It is an amenable number.

402442453321504 is a deficient number, since it is larger than the sum of its proper divisors (391861866176444).

402442453321504 is a wasteful number, since it uses less digits than its factorization.

402442453321504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31678405108 (or 31678405100 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 43.

The spelling of 402442453321504 in words is "four hundred two trillion, four hundred forty-two billion, four hundred fifty-three million, three hundred twenty-one thousand, five hundred four".