2104644600 has 96 divisors (see below), whose sum is σ = 7249350000. Its totient is φ = 561237120.

The previous prime is 2104644593. The next prime is 2104644617. The reversal of 2104644600 is 64464012.

2104644600 is a `hidden beast` number, since 2 + 10 + 4 + 6 + 44 + 600 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 23 ways as a sum of consecutive naturals, for example, 189475 + ... + 200274.

Almost surely, 2^2104644600 is an apocalyptic number.

2104644600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2104644600 is an abundant number, since it is smaller than the sum of its proper divisors (5144705400).

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

2104644600 is a wasteful number, since it uses less digits than its factorization.

2104644600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389774 (or 389759 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 2104644600 is about 45876.4057005341. The cubic root of 2104644600 is about 1281.5225615655.

The spelling of 2104644600 in words is "two billion, one hundred four million, six hundred forty-four thousand, six hundred".