2520416520 has 64 divisors (see below), whose sum is σ = 8401392000. Its totient is φ = 672110784.

The previous prime is 2520416471. The next prime is 2520416531. The reversal of 2520416520 is 256140252.

2520416520 is a `hidden beast` number, since 2 + 5 + 2 + 0 + 4 + 1 + 652 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1165780 + ... + 1167939.

It is an arithmetic number, because the mean of its divisors is an integer number (131271750).

Almost surely, 2^2520416520 is an apocalyptic number.

2520416520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2520416520 is an abundant number, since it is smaller than the sum of its proper divisors (5880975480).

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

2520416520 is a wasteful number, since it uses less digits than its factorization.

2520416520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2333739 (or 2333729 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 2520416520 is about 50203.7500591340. The cubic root of 2520416520 is about 1360.8933936753.

Adding to 2520416520 its reverse (256140252), we get a palindrome (2776556772).

The spelling of 2520416520 in words is "two billion, five hundred twenty million, four hundred sixteen thousand, five hundred twenty".