2600104320 has 256 divisors, whose sum is σ = 10046592000. Its totient is φ = 630282240.

The previous prime is 2600104313. The next prime is 2600104333. The reversal of 2600104320 is 234010062.

It is a happy number.

2600104320 is a `hidden beast` number, since 2 + 600 + 1 + 0 + 43 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2600104293 and 2600104302.

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, 183241 + ... + 196919.

It is an arithmetic number, because the mean of its divisors is an integer number (39244500).

Almost surely, 2^2600104320 is an apocalyptic number.

2600104320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2600104320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5023296000).

2600104320 is an abundant number, since it is smaller than the sum of its proper divisors (7446487680).

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

2600104320 is a wasteful number, since it uses less digits than its factorization.

2600104320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13718 (or 13700 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2600104320 is about 50991.2180674280. The cubic root of 2600104320 is about 1375.0872574928.

Adding to 2600104320 its reverse (234010062), we get a palindrome (2834114382).

The spelling of 2600104320 in words is "two billion, six hundred million, one hundred four thousand, three hundred twenty".