444880485 has 64 divisors (see below), whose sum is σ = 909619200. Its totient is φ = 202084416.

The previous prime is 444880477. The next prime is 444880507. The reversal of 444880485 is 584088444.

It is not a de Polignac number, because 444880485 - 2³ = 444880477 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 444880485.

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 63 ways as a sum of consecutive naturals, for example, 156406 + ... + 159224.

It is an arithmetic number, because the mean of its divisors is an integer number (14212800).

Almost surely, 2^444880485 is an apocalyptic number.

444880485 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

444880485 is an abundant number, since it is smaller than the sum of its proper divisors (464738715).

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

444880485 is a wasteful number, since it uses less digits than its factorization.

444880485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3007 (or 3001 counting only the distinct ones).

The product of its (nonzero) digits is 655360, while the sum is 45.

The square root of 444880485 is about 21092.1901423252. The cubic root of 444880485 is about 763.3923177132.

The spelling of 444880485 in words is "four hundred forty-four million, eight hundred eighty thousand, four hundred eighty-five".