442400220242 has 16 divisors (see below), whose sum is σ = 700758396960. Its totient is φ = 208888479072.

The previous prime is 442400220181. The next prime is 442400220281. The reversal of 442400220242 is 242022004244.

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, 18585728 + ... + 18609515.

It is an arithmetic number, because the mean of its divisors is an integer number (43797399810).

Almost surely, 2^442400220242 is an apocalyptic number.

442400220242 is a deficient number, since it is larger than the sum of its proper divisors (258358176718).

442400220242 is a wasteful number, since it uses less digits than its factorization.

442400220242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37195577.

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 442400220242 its reverse (242022004244), we get a palindrome (684422224486).

The spelling of 442400220242 in words is "four hundred forty-two billion, four hundred million, two hundred twenty thousand, two hundred forty-two".