2520653728 has 24 divisors (see below), whose sum is σ = 5018301540. Its totient is φ = 1246164480.

The previous prime is 2520653701. The next prime is 2520653761. The reversal of 2520653728 is 8273560252.

2520653728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2477251984 + 43401744 = 49772^2 + 6588^2 .

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, 439683 + ... + 445378.

Almost surely, 2^2520653728 is an apocalyptic number.

It is an amenable number.

2520653728 is a deficient number, since it is larger than the sum of its proper divisors (2497647812).

2520653728 is an equidigital number, since it uses as much as digits as its factorization.

2520653728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885160 (or 885152 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 40.

The square root of 2520653728 is about 50206.1124565525. The cubic root of 2520653728 is about 1360.9360856498.

The spelling of 2520653728 in words is "two billion, five hundred twenty million, six hundred fifty-three thousand, seven hundred twenty-eight".