108400080 has 40 divisors (see below), whose sum is σ = 336040992. Its totient is φ = 28906624.

The previous prime is 108400079. The next prime is 108400099. The reversal of 108400080 is 80004801.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 225594 + ... + 226073.

Almost surely, 2^108400080 is an apocalyptic number.

108400080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

108400080 is an abundant number, since it is smaller than the sum of its proper divisors (227640912).

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

108400080 is a wasteful number, since it uses less digits than its factorization.

108400080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451683 (or 451677 counting only the distinct ones).

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

The square root of 108400080 is about 10411.5359097493. The cubic root of 108400080 is about 476.8076348566.

Adding to 108400080 its reverse (80004801), we get a palindrome (188404881).

The spelling of 108400080 in words is "one hundred eight million, four hundred thousand, eighty".