2520152540 has 12 divisors (see below), whose sum is σ = 5292320376. Its totient is φ = 1008061008.

The previous prime is 2520152521. The next prime is 2520152599. The reversal of 2520152540 is 452510252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63003794 + ... + 63003833.

It is an arithmetic number, because the mean of its divisors is an integer number (441026698).

Almost surely, 2^2520152540 is an apocalyptic number.

2520152540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2520152540 is an abundant number, since it is smaller than the sum of its proper divisors (2772167836).

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

2520152540 is a wasteful number, since it uses less digits than its factorization.

2520152540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126007636 (or 126007634 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 2520152540 is about 50201.1209038205. The cubic root of 2520152540 is about 1360.8458802084.

Adding to 2520152540 its reverse (452510252), we get a palindrome (2972662792).

The spelling of 2520152540 in words is "two billion, five hundred twenty million, one hundred fifty-two thousand, five hundred forty".