104655840 has 96 divisors (see below), whose sum is σ = 336752640. Its totient is φ = 27308544.

The previous prime is 104655839. The next prime is 104655871. The reversal of 104655840 is 48556401.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×104655840² = 21905689692211200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20241 + ... + 24879.

It is an arithmetic number, because the mean of its divisors is an integer number (3507840).

Almost surely, 2^104655840 is an apocalyptic number.

104655840 is a gapful number since it is divisible by the number (10) 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 104655840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168376320).

104655840 is an abundant number, since it is smaller than the sum of its proper divisors (232096800).

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

104655840 is a wasteful number, since it uses less digits than its factorization.

104655840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4704 (or 4696 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 33.

The square root of 104655840 is about 10230.1436940055. The cubic root of 104655840 is about 471.2533920818.

The spelling of 104655840 in words is "one hundred four million, six hundred fifty-five thousand, eight hundred forty".