104644080 has 120 divisors (see below), whose sum is σ = 355155840. Its totient is φ = 27609600.

The previous prime is 104644079. The next prime is 104644087. The reversal of 104644080 is 80446401.

104644080 is a `hidden beast` number, since 10 + 4 + 644 + 0 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104644087) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72001 + ... + 73439.

It is an arithmetic number, because the mean of its divisors is an integer number (2959632).

Almost surely, 2^104644080 is an apocalyptic number.

104644080 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 104644080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177577920).

104644080 is an abundant number, since it is smaller than the sum of its proper divisors (250511760).

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

104644080 is a wasteful number, since it uses less digits than its factorization.

104644080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1559 (or 1550 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 104644080 is about 10229.5689058728. The cubic root of 104644080 is about 471.2357401047.

The spelling of 104644080 in words is "one hundred four million, six hundred forty-four thousand, eighty".