2520663772 has 24 divisors (see below), whose sum is σ = 4851956592. Its totient is φ = 1145753840.

The previous prime is 2520663757. The next prime is 2520663781. The reversal of 2520663772 is 2773660252.

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, 231403 + ... + 242050.

It is an arithmetic number, because the mean of its divisors is an integer number (202164858).

Almost surely, 2^2520663772 is an apocalyptic number.

2520663772 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2520663772 is a deficient number, since it is larger than the sum of its proper divisors (2331292820).

2520663772 is a wasteful number, since it uses less digits than its factorization.

2520663772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473490 (or 473466 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 40.

The square root of 2520663772 is about 50206.2124841140. The cubic root of 2520663772 is about 1360.9378932793.

The spelling of 2520663772 in words is "two billion, five hundred twenty million, six hundred sixty-three thousand, seven hundred seventy-two".