2520522140 has 48 divisors (see below), whose sum is σ = 5722298400. Its totient is φ = 929325312.

The previous prime is 2520522139. The next prime is 2520522143. The reversal of 2520522140 is 412250252.

2520522140 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 (2520522143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75575 + ... + 103694.

It is an arithmetic number, because the mean of its divisors is an integer number (119214550).

Almost surely, 2^2520522140 is an apocalyptic number.

2520522140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2520522140 is an abundant number, since it is smaller than the sum of its proper divisors (3201776260).

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

2520522140 is a wasteful number, since it uses less digits than its factorization.

2520522140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179334 (or 179332 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 2520522140 is about 50204.8019615654. The cubic root of 2520522140 is about 1360.9124031726.

Adding to 2520522140 its reverse (412250252), we get a palindrome (2932772392).

The spelling of 2520522140 in words is "two billion, five hundred twenty million, five hundred twenty-two thousand, one hundred forty".