2104404918 has 64 divisors (see below), whose sum is σ = 5475520512. Its totient is φ = 522830880.

The previous prime is 2104404881. The next prime is 2104404949. The reversal of 2104404918 is 8194044012.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

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, 88396 + ... + 109647.

It is an arithmetic number, because the mean of its divisors is an integer number (85555008).

Almost surely, 2^2104404918 is an apocalyptic number.

2104404918 is an abundant number, since it is smaller than the sum of its proper divisors (3371115594).

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

2104404918 is a wasteful number, since it uses less digits than its factorization.

2104404918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198089.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 2104404918 is about 45873.7933683274. The cubic root of 2104404918 is about 1281.4739120926.

The spelling of 2104404918 in words is "two billion, one hundred four million, four hundred four thousand, nine hundred eighteen".