444448384 has 32 divisors (see below), whose sum is σ = 887644800. Its totient is φ = 221667072.

The previous prime is 444448369. The next prime is 444448421. The reversal of 444448384 is 483844444.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×444448384² = 395068732080422912, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 444448384.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49489 + ... + 57775.

It is an arithmetic number, because the mean of its divisors is an integer number (27738900).

Almost surely, 2^444448384 is an apocalyptic number.

It is an amenable number.

444448384 is a deficient number, since it is larger than the sum of its proper divisors (443196416).

444448384 is an equidigital number, since it uses as much as digits as its factorization.

444448384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8720 (or 8708 counting only the distinct ones).

The product of its digits is 786432, while the sum is 43.

The square root of 444448384 is about 21081.9445023461. The cubic root of 444448384 is about 763.1450831949.

The spelling of 444448384 in words is "four hundred forty-four million, four hundred forty-eight thousand, three hundred eighty-four".