442247886128 has 40 divisors (see below), whose sum is σ = 877853876256. Its totient is φ = 215706176000.

The previous prime is 442247886109. The next prime is 442247886131. The reversal of 442247886128 is 821688742244.

It is a happy number.

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, 6625850 + ... + 6692262.

Almost surely, 2^442247886128 is an apocalyptic number.

It is an amenable number.

442247886128 is a deficient number, since it is larger than the sum of its proper divisors (435605990128).

442247886128 is a wasteful number, since it uses less digits than its factorization.

442247886128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76613 (or 76607 counting only the distinct ones).

The product of its digits is 11010048, while the sum is 56.

The spelling of 442247886128 in words is "four hundred forty-two billion, two hundred forty-seven million, eight hundred eighty-six thousand, one hundred twenty-eight".