2525022720 has 640 divisors, whose sum is σ = 10146850560. Its totient is φ = 597196800.

The previous prime is 2525022719. The next prime is 2525022743. The reversal of 2525022720 is 272205252.

It is a tau number, because it is divible by the number of its divisors (640).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 61585900 + ... + 61585940.

It is an arithmetic number, because the mean of its divisors is an integer number (15854454).

Almost surely, 2^2525022720 is an apocalyptic number.

2525022720 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 2525022720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5073425280).

2525022720 is an abundant number, since it is smaller than the sum of its proper divisors (7621827840).

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

2525022720 is an frugal number, since it uses more digits than its factorization.

2525022720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96 (or 62 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 2525022720 is about 50249.6041775455. The cubic root of 2525022720 is about 1361.7219250269.

Adding to 2525022720 its reverse (272205252), we get a palindrome (2797227972).

The spelling of 2525022720 in words is "two billion, five hundred twenty-five million, twenty-two thousand, seven hundred twenty".