444000880 has 20 divisors (see below), whose sum is σ = 1032302232. Its totient is φ = 177600320.

The previous prime is 444000871. The next prime is 444000881. The reversal of 444000880 is 88000444.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444000881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2774926 + ... + 2775085.

Almost surely, 2^444000880 is an apocalyptic number.

444000880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

444000880 is an abundant number, since it is smaller than the sum of its proper divisors (588301352).

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

444000880 is a wasteful number, since it uses less digits than its factorization.

444000880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5550024 (or 5550018 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

The square root of 444000880 is about 21071.3283871710. The cubic root of 444000880 is about 762.8888665953. Note that the first 4 decimals are identical.

The spelling of 444000880 in words is "four hundred forty-four million, eight hundred eighty", and thus it is an aban number.