444918894 has 16 divisors (see below), whose sum is σ = 1016957568. Its totient is φ = 127119672.

The previous prime is 444918863. The next prime is 444918907. The reversal of 444918894 is 498819444.

It is a Curzon number.

It is a congruent number.

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, 5296612 + ... + 5296695.

It is an arithmetic number, because the mean of its divisors is an integer number (63559848).

Almost surely, 2^444918894 is an apocalyptic number.

444918894 is an abundant number, since it is smaller than the sum of its proper divisors (572038674).

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

444918894 is a wasteful number, since it uses less digits than its factorization.

444918894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10593319.

The product of its digits is 1327104, while the sum is 51.

The square root of 444918894 is about 21093.1006255600. The cubic root of 444918894 is about 763.4142863788.

The spelling of 444918894 in words is "four hundred forty-four million, nine hundred eighteen thousand, eight hundred ninety-four".