104644106220 has 96 divisors (see below), whose sum is σ = 311798592000. Its totient is φ = 26131590144.

The previous prime is 104644106209. The next prime is 104644106239. The reversal of 104644106220 is 22601446401.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54790 + ... + 460749.

It is an arithmetic number, because the mean of its divisors is an integer number (3247902000).

Almost surely, 2^104644106220 is an apocalyptic number.

104644106220 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 104644106220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155899296000).

104644106220 is an abundant number, since it is smaller than the sum of its proper divisors (207154485780).

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

104644106220 is a wasteful number, since it uses less digits than its factorization.

104644106220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515767 (or 515765 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The spelling of 104644106220 in words is "one hundred four billion, six hundred forty-four million, one hundred six thousand, two hundred twenty".