80404080 has 160 divisors (see below), whose sum is σ = 262268928. Its totient is φ = 20352000.

The previous prime is 80404073. The next prime is 80404091. The reversal of 80404080 is 8040408.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

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 80404080.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 751387 + ... + 751493.

Almost surely, 2^80404080 is an apocalyptic number.

80404080 is a gapful number since it is divisible by the number (80) 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 80404080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131134464).

80404080 is an abundant number, since it is smaller than the sum of its proper divisors (181864848).

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

80404080 is a wasteful number, since it uses less digits than its factorization.

80404080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255 (or 249 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 80404080 is about 8966.8322165634. The cubic root of 80404080 is about 431.6111899474.

Adding to 80404080 its reverse (8040408), we get a palindrome (88444488).

The spelling of 80404080 in words is "eighty million, four hundred four thousand, eighty".