2104440373505 has 16 divisors (see below), whose sum is σ = 2531351091024. Its totient is φ = 1679541534720.

The previous prime is 2104440373439. The next prime is 2104440373573. The reversal of 2104440373505 is 5053730444012.

It can be written as a sum of positive squares in 8 ways, for example, as 20551802881 + 2083888570624 = 143359^2 + 1443568^2 .

It is not a de Polignac number, because 2104440373505 - 2¹⁴ = 2104440357121 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3630719 + ... + 4170251.

It is an arithmetic number, because the mean of its divisors is an integer number (158209443189).

Almost surely, 2^{2104440373505} is an apocalyptic number.

It is an amenable number.

2104440373505 is a deficient number, since it is larger than the sum of its proper divisors (426910717519).

2104440373505 is a wasteful number, since it uses less digits than its factorization.

2104440373505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541396.

The product of its (nonzero) digits is 201600, while the sum is 38.

The spelling of 2104440373505 in words is "two trillion, one hundred four billion, four hundred forty million, three hundred seventy-three thousand, five hundred five".