442744704 has 80 divisors (see below), whose sum is σ = 1317631920. Its totient is φ = 147578112.

The previous prime is 442744699. The next prime is 442744717. The reversal of 442744704 is 407447244.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 10984 + ... + 31719.

It is an arithmetic number, because the mean of its divisors is an integer number (16470399).

Almost surely, 2^442744704 is an apocalyptic number.

It is an amenable number.

442744704 is an abundant number, since it is smaller than the sum of its proper divisors (874887216).

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

442744704 is an equidigital number, since it uses as much as digits as its factorization.

442744704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42729 (or 42708 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 36.

The square root of 442744704 is about 21041.4995663332. The cubic root of 442744704 is about 762.1687269742.

The spelling of 442744704 in words is "four hundred forty-two million, seven hundred forty-four thousand, seven hundred four".