444561130 has 16 divisors (see below), whose sum is σ = 861764904. Its totient is φ = 164145600.

The previous prime is 444561121. The next prime is 444561151. The reversal of 444561130 is 31165444.

It can be written as a sum of positive squares in 4 ways, for example, as 410022001 + 34539129 = 20249^2 + 5877^2 .

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, 1709721 + ... + 1709980.

Almost surely, 2^444561130 is an apocalyptic number.

444561130 is a deficient number, since it is larger than the sum of its proper divisors (417203774).

444561130 is a wasteful number, since it uses less digits than its factorization.

444561130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3419721.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 444561130 is about 21084.6183271123. The cubic root of 444561130 is about 763.2096083337.

The spelling of 444561130 in words is "four hundred forty-four million, five hundred sixty-one thousand, one hundred thirty".