444307490 has 32 divisors (see below), whose sum is σ = 873569664. Its totient is φ = 161360640.

The previous prime is 444307489. The next prime is 444307547. The reversal of 444307490 is 94703444.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 444307490.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104282 + ... + 108458.

It is an arithmetic number, because the mean of its divisors is an integer number (27299052).

Almost surely, 2^444307490 is an apocalyptic number.

444307490 is a deficient number, since it is larger than the sum of its proper divisors (429262174).

444307490 is a wasteful number, since it uses less digits than its factorization.

444307490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5162.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 444307490 is about 21078.6026576716. The cubic root of 444307490 is about 763.0644334644.

The spelling of 444307490 in words is "four hundred forty-four million, three hundred seven thousand, four hundred ninety".