442478318476 has 24 divisors (see below), whose sum is σ = 796584712896. Its totient is φ = 214951405440.

The previous prime is 442478318449. The next prime is 442478318483. The reversal of 442478318476 is 674813874244.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 442478318476.

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, 8564055 + ... + 8615566.

It is an arithmetic number, because the mean of its divisors is an integer number (33191029704).

Almost surely, 2^442478318476 is an apocalyptic number.

It is an amenable number.

442478318476 is a deficient number, since it is larger than the sum of its proper divisors (354106394420).

442478318476 is a wasteful number, since it uses less digits than its factorization.

442478318476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17179809 (or 17179807 counting only the distinct ones).

The product of its digits is 28901376, while the sum is 58.

The spelling of 442478318476 in words is "four hundred forty-two billion, four hundred seventy-eight million, three hundred eighteen thousand, four hundred seventy-six".