442372537544 has 32 divisors (see below), whose sum is σ = 952904217600. Its totient is φ = 188595617280.

The previous prime is 442372537517. The next prime is 442372537613. The reversal of 442372537544 is 445735273244.

It is a junction number, because it is equal to n+sod(n) for n = 442372537492 and 442372537501.

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, 20668649 + ... + 20690040.

It is an arithmetic number, because the mean of its divisors is an integer number (29778256800).

Almost surely, 2^442372537544 is an apocalyptic number.

It is an amenable number.

442372537544 is an abundant number, since it is smaller than the sum of its proper divisors (510531680056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442372537544 is a wasteful number, since it uses less digits than its factorization.

442372537544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41358893 (or 41358889 counting only the distinct ones).

The product of its digits is 11289600, while the sum is 50.

The spelling of 442372537544 in words is "four hundred forty-two billion, three hundred seventy-two million, five hundred thirty-seven thousand, five hundred forty-four".