2523422720 has 224 divisors, whose sum is σ = 7464356928. Its totient is φ = 797442048.

The previous prime is 2523422711. The next prime is 2523422753. The reversal of 2523422720 is 272243252.

It is a tau number, because it is divible by the number of its divisors (224).

It is a congruent number.

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, 3727022 + ... + 3727698.

It is an arithmetic number, because the mean of its divisors is an integer number (33323022).

Almost surely, 2^2523422720 is an apocalyptic number.

2523422720 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 2523422720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3732178464).

2523422720 is an abundant number, since it is smaller than the sum of its proper divisors (4940934208).

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

2523422720 is an equidigital number, since it uses as much as digits as its factorization.

2523422720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728 (or 704 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 29.

The square root of 2523422720 is about 50233.6811312888. The cubic root of 2523422720 is about 1361.4342424092.

Adding to 2523422720 its reverse (272243252), we get a palindrome (2795665972).

The spelling of 2523422720 in words is "two billion, five hundred twenty-three million, four hundred twenty-two thousand, seven hundred twenty".