442022042404 has 36 divisors (see below), whose sum is σ = 822408795684. Its totient is φ = 207835365376.

The previous prime is 442022042377. The next prime is 442022042411. The reversal of 442022042404 is 404240220244.

It can be written as a sum of positive squares in 6 ways, for example, as 11686042404 + 430336000000 = 108102^2 + 656000^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1218852 + ... + 1539364.

It is an arithmetic number, because the mean of its divisors is an integer number (22844688769).

Almost surely, 2^442022042404 is an apocalyptic number.

It is an amenable number.

442022042404 is a deficient number, since it is larger than the sum of its proper divisors (380386753280).

442022042404 is a wasteful number, since it uses less digits than its factorization.

442022042404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321744 (or 321725 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 442022042404 its reverse (404240220244), we get a palindrome (846262262648).

The spelling of 442022042404 in words is "four hundred forty-two billion, twenty-two million, forty-two thousand, four hundred four".