2522544540 has 48 divisors (see below), whose sum is σ = 7196400288. Its totient is φ = 659985664.

The previous prime is 2522544511. The next prime is 2522544553. The reversal of 2522544540 is 454452252.

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, 393447 + ... + 399806.

It is an arithmetic number, because the mean of its divisors is an integer number (149925006).

Almost surely, 2^2522544540 is an apocalyptic number.

2522544540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2522544540 is an abundant number, since it is smaller than the sum of its proper divisors (4673855748).

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

2522544540 is a wasteful number, since it uses less digits than its factorization.

2522544540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793318 (or 793316 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 33.

The square root of 2522544540 is about 50224.9394225618. The cubic root of 2522544540 is about 1361.2762925167.

Adding to 2522544540 its reverse (454452252), we get a palindrome (2976996792).

The spelling of 2522544540 in words is "two billion, five hundred twenty-two million, five hundred forty-four thousand, five hundred forty".