2522426720 has 96 divisors (see below), whose sum is σ = 6598319616. Its totient is φ = 903513600.

The previous prime is 2522426713. The next prime is 2522426729. The reversal of 2522426720 is 276242252.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2522426729) 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, 107225 + ... + 128615.

It is an arithmetic number, because the mean of its divisors is an integer number (68732496).

Almost surely, 2^2522426720 is an apocalyptic number.

2522426720 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 2522426720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3299159808).

2522426720 is an abundant number, since it is smaller than the sum of its proper divisors (4075892896).

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

2522426720 is a wasteful number, since it uses less digits than its factorization.

2522426720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21484 (or 21476 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 2522426720 is about 50223.7664855992. The cubic root of 2522426720 is about 1361.2550985639.

Adding to 2522426720 its reverse (276242252), we get a palindrome (2798668972).

The spelling of 2522426720 in words is "two billion, five hundred twenty-two million, four hundred twenty-six thousand, seven hundred twenty".