444987842 has 16 divisors (see below), whose sum is σ = 736360632. Its totient is φ = 200369280.

The previous prime is 444987839. The next prime is 444987871. The reversal of 444987842 is 248789444.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 344807761 + 100180081 = 18569^2 + 10009^2 .

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, 207653 + ... + 209784.

Almost surely, 2^444987842 is an apocalyptic number.

444987842 is a deficient number, since it is larger than the sum of its proper divisors (291372790).

444987842 is a wasteful number, since it uses less digits than its factorization.

444987842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417493.

The product of its digits is 2064384, while the sum is 50.

The square root of 444987842 is about 21094.7349355236. The cubic root of 444987842 is about 763.4537191609.

The spelling of 444987842 in words is "four hundred forty-four million, nine hundred eighty-seven thousand, eight hundred forty-two".