2646230320 has 80 divisors (see below), whose sum is σ = 6627075840. Its totient is φ = 979437312.

The previous prime is 2646230303. The next prime is 2646230351. The reversal of 2646230320 is 230326462.

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

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, 45117 + ... + 85603.

It is an arithmetic number, because the mean of its divisors is an integer number (82838448).

Almost surely, 2^2646230320 is an apocalyptic number.

2646230320 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 2646230320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3313537920).

2646230320 is an abundant number, since it is smaller than the sum of its proper divisors (3980845520).

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

2646230320 is a wasteful number, since it uses less digits than its factorization.

2646230320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40562 (or 40556 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 2646230320 is about 51441.5233055943. The cubic root of 2646230320 is about 1383.1710178094.

Adding to 2646230320 its reverse (230326462), we get a palindrome (2876556782).

The spelling of 2646230320 in words is "two billion, six hundred forty-six million, two hundred thirty thousand, three hundred twenty".