2520325668 has 96 divisors (see below), whose sum is σ = 6993215488. Its totient is φ = 691286400.

The previous prime is 2520325663. The next prime is 2520325669. The reversal of 2520325668 is 8665230252.

It is not an unprimeable number, because it can be changed into a prime (2520325663) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 326898 + ... + 334518.

Almost surely, 2^2520325668 is an apocalyptic number.

2520325668 is a gapful number since it is divisible by the number (28) 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 2520325668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3496607744).

2520325668 is an abundant number, since it is smaller than the sum of its proper divisors (4472889820).

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

2520325668 is a wasteful number, since it uses less digits than its factorization.

2520325668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7793 (or 7791 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The square root of 2520325668 is about 50202.8452181746. The cubic root of 2520325668 is about 1360.8770416992.

The spelling of 2520325668 in words is "two billion, five hundred twenty million, three hundred twenty-five thousand, six hundred sixty-eight".