2522020440 has 32 divisors (see below), whose sum is σ = 7566061680. Its totient is φ = 672538752.

The previous prime is 2522020429. The next prime is 2522020441. The reversal of 2522020440 is 440202252.

2522020440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2522020441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10508299 + ... + 10508538.

Almost surely, 2^2522020440 is an apocalyptic number.

2522020440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2522020440 is an abundant number, since it is smaller than the sum of its proper divisors (5044041240).

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

2522020440 is a wasteful number, since it uses less digits than its factorization.

2522020440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21016851 (or 21016847 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 2522020440 is about 50219.7216240791. The cubic root of 2522020440 is about 1361.1820101616.

Adding to 2522020440 its reverse (440202252), we get a palindrome (2962222692).

The spelling of 2522020440 in words is "two billion, five hundred twenty-two million, twenty thousand, four hundred forty".