442222240044 has 24 divisors (see below), whose sum is σ = 1111225116400. Its totient is φ = 136068381504.

The previous prime is 442222239989. The next prime is 442222240051. The reversal of 442222240044 is 440042222244.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 442222239993 and 442222240020.

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, 1417378819 + ... + 1417379130.

Almost surely, 2^442222240044 is an apocalyptic number.

It is an amenable number.

442222240044 is an abundant number, since it is smaller than the sum of its proper divisors (669002876356).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442222240044 is a wasteful number, since it uses less digits than its factorization.

442222240044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2834757969 (or 2834757967 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 442222240044 its reverse (440042222244), we get a palindrome (882264462288).

The spelling of 442222240044 in words is "four hundred forty-two billion, two hundred twenty-two million, two hundred forty thousand, forty-four".