444909148 has 48 divisors (see below), whose sum is σ = 843300864. Its totient is φ = 204779520.

The previous prime is 444909109. The next prime is 444909169. The reversal of 444909148 is 841909444.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 732661 + ... + 733267.

It is an arithmetic number, because the mean of its divisors is an integer number (17568768).

Almost surely, 2^444909148 is an apocalyptic number.

It is an amenable number.

444909148 is a deficient number, since it is larger than the sum of its proper divisors (398391716).

444909148 is a wasteful number, since it uses less digits than its factorization.

444909148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 922 (or 920 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 43.

The square root of 444909148 is about 21092.8696008865. The cubic root of 444909148 is about 763.4087121119.

The spelling of 444909148 in words is "four hundred forty-four million, nine hundred nine thousand, one hundred forty-eight".