444049680 has 80 divisors (see below), whose sum is σ = 1410159744. Its totient is φ = 115522560.

The previous prime is 444049663. The next prime is 444049693. The reversal of 444049680 is 86940444.

It is a tau number, because it is divible by the number of its divisors (80).

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, 12724 + ... + 32403.

Almost surely, 2^444049680 is an apocalyptic number.

444049680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

444049680 is an abundant number, since it is smaller than the sum of its proper divisors (966110064).

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

444049680 is a wasteful number, since it uses less digits than its factorization.

444049680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45184 (or 45178 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 39.

The square root of 444049680 is about 21072.4863269620. The cubic root of 444049680 is about 762.9168151982.

The spelling of 444049680 in words is "four hundred forty-four million, forty-nine thousand, six hundred eighty".