440440080 has 80 divisors (see below), whose sum is σ = 1445693184. Its totient is φ = 110540800.

The previous prime is 440440073. The next prime is 440440109. The reversal of 440440080 is 80044044.

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

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a self number, because there is not a number n which added to its sum of digits gives 440440080.

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, 49896 + ... + 58055.

Almost surely, 2^440440080 is an apocalyptic number.

440440080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

440440080 is an abundant number, since it is smaller than the sum of its proper divisors (1005253104).

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

440440080 is a wasteful number, since it uses less digits than its factorization.

440440080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107984 (or 107978 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 440440080 is about 20986.6643371451. The cubic root of 440440080 is about 760.8439839189.

The spelling of 440440080 in words is "four hundred forty million, four hundred forty thousand, eighty".