402304424002442 has 8 divisors (see below), whose sum is σ = 649876377234756. Its totient is φ = 185678964924192.

The previous prime is 402304424002399. The next prime is 402304424002463. The reversal of 402304424002442 is 244200424403204.

It can be written as a sum of positive squares in 2 ways, for example, as 388589319103561 + 13715104898881 = 19712669^2 + 3703391^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 7736623538483 + ... + 7736623538534.

Almost surely, 2^{402304424002442} is an apocalyptic number.

402304424002442 is a deficient number, since it is larger than the sum of its proper divisors (247571953232314).

402304424002442 is a wasteful number, since it uses less digits than its factorization.

402304424002442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15473247077032.

The product of its (nonzero) digits is 196608, while the sum is 35.

Adding to 402304424002442 its reverse (244200424403204), we get a palindrome (646504848405646).

The spelling of 402304424002442 in words is "four hundred two trillion, three hundred four billion, four hundred twenty-four million, two thousand, four hundred forty-two".