442477774244 has 24 divisors (see below), whose sum is σ = 858578339136. Its totient is φ = 197829108000.

The previous prime is 442477774147. The next prime is 442477774331.

442477774244 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 442477774244.

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, 82426112 + ... + 82431479.

It is an arithmetic number, because the mean of its divisors is an integer number (35774097464).

Almost surely, 2^442477774244 is an apocalyptic number.

442477774244 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

442477774244 is a deficient number, since it is larger than the sum of its proper divisors (416100564892).

442477774244 is a wasteful number, since it uses less digits than its factorization.

442477774244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164857667 (or 164857665 counting only the distinct ones).

The product of its digits is 39337984, while the sum is 56.

The spelling of 442477774244 in words is "four hundred forty-two billion, four hundred seventy-seven million, seven hundred seventy-four thousand, two hundred forty-four".