104431640 has 16 divisors (see below), whose sum is σ = 234971280. Its totient is φ = 41772640.

The previous prime is 104431637. The next prime is 104431651. The reversal of 104431640 is 46134401.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1305356 + ... + 1305435.

It is an arithmetic number, because the mean of its divisors is an integer number (14685705).

Almost surely, 2^104431640 is an apocalyptic number.

104431640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104431640 is an abundant number, since it is smaller than the sum of its proper divisors (130539640).

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

104431640 is a wasteful number, since it uses less digits than its factorization.

104431640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2610802 (or 2610798 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 104431640 is about 10219.1800062432. The cubic root of 104431640 is about 470.9166357598.

The spelling of 104431640 in words is "one hundred four million, four hundred thirty-one thousand, six hundred forty".