104490890845 has 32 divisors (see below), whose sum is σ = 138882462336. Its totient is φ = 74830694400.

The previous prime is 104490890827. The next prime is 104490890873. The reversal of 104490890845 is 548098094401.

It is not a de Polignac number, because 104490890845 - 2²³ = 104482502237 is a prime.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 104490890792 and 104490890801.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16804177 + ... + 16810393.

It is an arithmetic number, because the mean of its divisors is an integer number (4340076948).

Almost surely, 2^104490890845 is an apocalyptic number.

It is an amenable number.

104490890845 is a deficient number, since it is larger than the sum of its proper divisors (34391571491).

104490890845 is a wasteful number, since it uses less digits than its factorization.

104490890845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10861.

The product of its (nonzero) digits is 1658880, while the sum is 52.

The spelling of 104490890845 in words is "one hundred four billion, four hundred ninety million, eight hundred ninety thousand, eight hundred forty-five".