444707390 has 16 divisors (see below), whose sum is σ = 801627840. Its totient is φ = 177626400.

The previous prime is 444707377. The next prime is 444707413. The reversal of 444707390 is 93707444.

It is a happy number.

It is a super-2 number, since 2×444707390² = 395529325441224200, which contains 22 as substring.

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, 24710 + ... + 38729.

It is an arithmetic number, because the mean of its divisors is an integer number (50101740).

Almost surely, 2^444707390 is an apocalyptic number.

444707390 is a deficient number, since it is larger than the sum of its proper divisors (356920450).

444707390 is a wasteful number, since it uses less digits than its factorization.

444707390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64147.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 444707390 is about 21088.0864470914. The cubic root of 444707390 is about 763.2932974601.

The spelling of 444707390 in words is "four hundred forty-four million, seven hundred seven thousand, three hundred ninety".