2516540224 has 28 divisors (see below), whose sum is σ = 5447739168. Its totient is φ = 1143881600.

The previous prime is 2516540207. The next prime is 2516540231. The reversal of 2516540224 is 4220456152.

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, 1786612 + ... + 1788019.

Almost surely, 2^2516540224 is an apocalyptic number.

It is an amenable number.

2516540224 is an abundant number, since it is smaller than the sum of its proper divisors (2931198944).

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

2516540224 is a wasteful number, since it uses less digits than its factorization.

2516540224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3574654 (or 3574644 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 2516540224 is about 50165.1295622766. The cubic root of 2516540224 is about 1360.1953698568.

Adding to 2516540224 its reverse (4220456152), we get a palindrome (6736996376).

The spelling of 2516540224 in words is "two billion, five hundred sixteen million, five hundred forty thousand, two hundred twenty-four".