442041448556 has 12 divisors (see below), whose sum is σ = 775418773080. Its totient is φ = 220493227680.

The previous prime is 442041448489. The next prime is 442041448571. The reversal of 442041448556 is 655844140244.

It is a self number, because there is not a number n which added to its sum of digits gives 442041448556.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131872265 + ... + 131875616.

It is an arithmetic number, because the mean of its divisors is an integer number (64618231090).

Almost surely, 2^442041448556 is an apocalyptic number.

It is an amenable number.

442041448556 is a deficient number, since it is larger than the sum of its proper divisors (333377324524).

442041448556 is a wasteful number, since it uses less digits than its factorization.

442041448556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263748304 (or 263748302 counting only the distinct ones).

The product of its (nonzero) digits is 2457600, while the sum is 47.

The spelling of 442041448556 in words is "four hundred forty-two billion, forty-one million, four hundred forty-eight thousand, five hundred fifty-six".