80408100 has 72 divisors (see below), whose sum is σ = 233561440. Its totient is φ = 21358080.

The previous prime is 80408099. The next prime is 80408123. The reversal of 80408100 is 180408.

It is a super-2 number, since 2×80408100² = 12930925091220000, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 129591 + ... + 130209.

Almost surely, 2^80408100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80408100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116780720).

80408100 is an abundant number, since it is smaller than the sum of its proper divisors (153153340).

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

80408100 is a wasteful number, since it uses less digits than its factorization.

80408100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069 (or 1062 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 80408100 is about 8967.0563731918. The cubic root of 80408100 is about 431.6183829823.

Adding to 80408100 its reverse (180408), we get a palindrome (80588508).

It can be divided in two parts, 80408 and 100, that added together give a palindrome (80508).

The spelling of 80408100 in words is "eighty million, four hundred eight thousand, one hundred".