442402412432 has 20 divisors (see below), whose sum is σ = 857194385676. Its totient is φ = 221190958080.

The previous prime is 442402412411. The next prime is 442402412449. The reversal of 442402412432 is 234214204244.

It can be written as a sum of positive squares in 2 ways, for example, as 287720668816 + 154681743616 = 536396^2 + 393296^2 .

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 3 ways as a sum of consecutive naturals, for example, 278153 + ... + 980904.

Almost surely, 2^442402412432 is an apocalyptic number.

It is an amenable number.

442402412432 is a deficient number, since it is larger than the sum of its proper divisors (414791973244).

442402412432 is a wasteful number, since it uses less digits than its factorization.

442402412432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1281026 (or 1281020 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 442402412432 its reverse (234214204244), we get a palindrome (676616616676).

The spelling of 442402412432 in words is "four hundred forty-two billion, four hundred two million, four hundred twelve thousand, four hundred thirty-two".