444449560 has 32 divisors (see below), whose sum is σ = 1000645200. Its totient is φ = 177667200.

The previous prime is 444449557. The next prime is 444449561. The reversal of 444449560 is 65944444.

It is a super-2 number, since 2×444449560² = 395070822768387200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444449561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93235 + ... + 97885.

Almost surely, 2^444449560 is an apocalyptic number.

444449560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

444449560 is an abundant number, since it is smaller than the sum of its proper divisors (556195640).

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

444449560 is a wasteful number, since it uses less digits than its factorization.

444449560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7051 (or 7047 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 40.

The square root of 444449560 is about 21081.9723934930. The cubic root of 444449560 is about 763.1457562823.

The spelling of 444449560 in words is "four hundred forty-four million, four hundred forty-nine thousand, five hundred sixty".