2104455590 has 16 divisors (see below), whose sum is σ = 3794333760. Its totient is φ = 840379200.

The previous prime is 2104455581. The next prime is 2104455593. The reversal of 2104455590 is 955544012.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2104455590.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104455593) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169070 + ... + 181089.

It is an arithmetic number, because the mean of its divisors is an integer number (237145860).

Almost surely, 2^2104455590 is an apocalyptic number.

2104455590 is a deficient number, since it is larger than the sum of its proper divisors (1689878170).

2104455590 is a wasteful number, since it uses less digits than its factorization.

2104455590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350767.

The product of its (nonzero) digits is 36000, while the sum is 35.

The square root of 2104455590 is about 45874.3456629084. The cubic root of 2104455590 is about 1281.4841975537.

The spelling of 2104455590 in words is "two billion, one hundred four million, four hundred fifty-five thousand, five hundred ninety".