442423113025330 has 16 divisors (see below), whose sum is σ = 843206403648600. Its totient is φ = 166559289609472.

The previous prime is 442423113025259. The next prime is 442423113025351. The reversal of 442423113025330 is 33520311324244.

It can be written as a sum of positive squares in 4 ways, for example, as 305180739952929 + 137242373072401 = 17469423^2 + 11715049^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 442423113025330.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1301244449905 + ... + 1301244450244.

Almost surely, 2^{442423113025330} is an apocalyptic number.

442423113025330 is a deficient number, since it is larger than the sum of its proper divisors (400783290623270).

442423113025330 is a wasteful number, since it uses less digits than its factorization.

442423113025330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2602488900173.

The product of its (nonzero) digits is 207360, while the sum is 37.

Adding to 442423113025330 its reverse (33520311324244), we get a palindrome (475943424349574).

The spelling of 442423113025330 in words is "four hundred forty-two trillion, four hundred twenty-three billion, one hundred thirteen million, twenty-five thousand, three hundred thirty".