2600002320 has 80 divisors (see below), whose sum is σ = 8114212800. Its totient is φ = 688671232.

The previous prime is 2600002243. The next prime is 2600002343. The reversal of 2600002320 is 232000062.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2600002320.

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, 594 + ... + 72113.

It is an arithmetic number, because the mean of its divisors is an integer number (101427660).

Almost surely, 2^2600002320 is an apocalyptic number.

2600002320 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 2600002320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4057106400).

2600002320 is an abundant number, since it is smaller than the sum of its proper divisors (5514210480).

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

2600002320 is a wasteful number, since it uses less digits than its factorization.

2600002320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72872 (or 72866 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 2600002320 is about 50990.2178853944. The cubic root of 2600002320 is about 1375.0692760689.

Adding to 2600002320 its reverse (232000062), we get a palindrome (2832002382).

The spelling of 2600002320 in words is "two billion, six hundred million, two thousand, three hundred twenty".