440088880 has 80 divisors (see below), whose sum is σ = 1275704064. Its totient is φ = 137168640.

The previous prime is 440088851. The next prime is 440088889. The reversal of 440088880 is 88880044.

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 (40).

It is not an unprimeable number, because it can be changed into a prime (440088889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29562 + ... + 41881.

Almost surely, 2^440088880 is an apocalyptic number.

440088880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

440088880 is an abundant number, since it is smaller than the sum of its proper divisors (835615184).

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

440088880 is a wasteful number, since it uses less digits than its factorization.

440088880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71474 (or 71468 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 40.

The square root of 440088880 is about 20978.2954502981. The cubic root of 440088880 is about 760.6417017975.

The spelling of 440088880 in words is "four hundred forty million, eighty-eight thousand, eight hundred eighty".