444909970 has 16 divisors (see below), whose sum is σ = 801181440. Its totient is φ = 177887664.

The previous prime is 444909937. The next prime is 444909989. The reversal of 444909970 is 79909444.

It is a self number, because there is not a number n which added to its sum of digits gives 444909970.

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, 19009 + ... + 35371.

It is an arithmetic number, because the mean of its divisors is an integer number (50073840).

Almost surely, 2^444909970 is an apocalyptic number.

444909970 is a deficient number, since it is larger than the sum of its proper divisors (356271470).

444909970 is a wasteful number, since it uses less digits than its factorization.

444909970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19089.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 444909970 is about 21092.8890861352. The cubic root of 444909970 is about 763.4091822615.

The spelling of 444909970 in words is "four hundred forty-four million, nine hundred nine thousand, nine hundred seventy".