104855590644 has 96 divisors (see below), whose sum is σ = 288371736576. Its totient is φ = 29031488640.

The previous prime is 104855590639. The next prime is 104855590709. The reversal of 104855590644 is 446095558401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 344434 + ... + 573014.

It is an arithmetic number, because the mean of its divisors is an integer number (3003872256).

Almost surely, 2^104855590644 is an apocalyptic number.

104855590644 is a gapful number since it is divisible by the number (14) 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 104855590644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144185868288).

104855590644 is an abundant number, since it is smaller than the sum of its proper divisors (183516145932).

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

104855590644 is a wasteful number, since it uses less digits than its factorization.

104855590644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228765 (or 228763 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 51.

The spelling of 104855590644 in words is "one hundred four billion, eight hundred fifty-five million, five hundred ninety thousand, six hundred forty-four".