2520804216 has 48 divisors (see below), whose sum is σ = 7330913640. Its totient is φ = 720229440.

The previous prime is 2520804211. The next prime is 2520804269. The reversal of 2520804216 is 6124080252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520804211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1070595 + ... + 1072946.

Almost surely, 2^2520804216 is an apocalyptic number.

It is an amenable number.

2520804216 is an abundant number, since it is smaller than the sum of its proper divisors (4810109424).

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

2520804216 is a wasteful number, since it uses less digits than its factorization.

2520804216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2143564 (or 2143553 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 2520804216 is about 50207.6111361614. The cubic root of 2520804216 is about 1360.9631686339.

Adding to 2520804216 its reverse (6124080252), we get a palindrome (8644884468).

The spelling of 2520804216 in words is "two billion, five hundred twenty million, eight hundred four thousand, two hundred sixteen".