2520606388 has 24 divisors (see below), whose sum is σ = 4673374272. Its totient is φ = 1185446784.

The previous prime is 2520606377. The next prime is 2520606391. The reversal of 2520606388 is 8836060252.

It is a self number, because there is not a number n which added to its sum of digits gives 2520606388.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111145 + ... + 131887.

It is an arithmetic number, because the mean of its divisors is an integer number (194723928).

Almost surely, 2^2520606388 is an apocalyptic number.

It is an amenable number.

2520606388 is a deficient number, since it is larger than the sum of its proper divisors (2152767884).

2520606388 is a wasteful number, since it uses less digits than its factorization.

2520606388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22551 (or 22549 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 2520606388 is about 50205.6409978002. The cubic root of 2520606388 is about 1360.9275657545.

The spelling of 2520606388 in words is "two billion, five hundred twenty million, six hundred six thousand, three hundred eighty-eight".