2052521440 has 24 divisors (see below), whose sum is σ = 4849082280. Its totient is φ = 821008512.

The previous prime is 2052521413. The next prime is 2052521447. The reversal of 2052521440 is 441252502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2052521447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6413970 + ... + 6414289.

It is an arithmetic number, because the mean of its divisors is an integer number (202045095).

Almost surely, 2^2052521440 is an apocalyptic number.

2052521440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2052521440 is an abundant number, since it is smaller than the sum of its proper divisors (2796560840).

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

2052521440 is a wasteful number, since it uses less digits than its factorization.

2052521440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12828274 (or 12828266 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 2052521440 is about 45304.7617806341. The cubic root of 2052521440 is about 1270.8547039698.

Adding to 2052521440 its reverse (441252502), we get a palindrome (2493773942).

The spelling of 2052521440 in words is "two billion, fifty-two million, five hundred twenty-one thousand, four hundred forty".