2522866720 has 96 divisors (see below), whose sum is σ = 6513333120. Its totient is φ = 915824640.

The previous prime is 2522866681. The next prime is 2522866729. The reversal of 2522866720 is 276682252.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (2522866729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1634269 + ... + 1635811.

It is an arithmetic number, because the mean of its divisors is an integer number (67847220).

Almost surely, 2^2522866720 is an apocalyptic number.

2522866720 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 2522866720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3256666560).

2522866720 is an abundant number, since it is smaller than the sum of its proper divisors (3990466400).

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

2522866720 is a wasteful number, since it uses less digits than its factorization.

2522866720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2498 (or 2490 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The square root of 2522866720 is about 50228.1466908744. The cubic root of 2522866720 is about 1361.3342442289.

The spelling of 2522866720 in words is "two billion, five hundred twenty-two million, eight hundred sixty-six thousand, seven hundred twenty".