80440888 has 32 divisors (see below), whose sum is σ = 166095360. Its totient is φ = 36218080.

The previous prime is 80440859. The next prime is 80440901. The reversal of 80440888 is 88804408.

It is a self number, because there is not a number n which added to its sum of digits gives 80440888.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5145 + ... + 13687.

It is an arithmetic number, because the mean of its divisors is an integer number (5190480).

Almost surely, 2^80440888 is an apocalyptic number.

80440888 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80440888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83047680).

80440888 is an abundant number, since it is smaller than the sum of its proper divisors (85654472).

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

80440888 is a wasteful number, since it uses less digits than its factorization.

80440888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8667 (or 8663 counting only the distinct ones).

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

The square root of 80440888 is about 8968.8844345325. The cubic root of 80440888 is about 431.6770419997.

The spelling of 80440888 in words is "eighty million, four hundred forty thousand, eight hundred eighty-eight".