7526428648 has 16 divisors (see below), whose sum is σ = 14120279460. Its totient is φ = 3761020800.

The previous prime is 7526428643. The next prime is 7526428687. The reversal of 7526428648 is 8468246257.

It can be written as a sum of positive squares in 2 ways, for example, as 7323594084 + 202834564 = 85578^2 + 14242^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7526428595 and 7526428604.

It is not an unprimeable number, because it can be changed into a prime (7526428643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259563 + ... + 287098.

Almost surely, 2^7526428648 is an apocalyptic number.

It is an amenable number.

7526428648 is a deficient number, since it is larger than the sum of its proper divisors (6593850812).

7526428648 is a wasteful number, since it uses less digits than its factorization.

7526428648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548388 (or 548384 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 52.

The square root of 7526428648 is about 86754.9920638576. The cubic root of 7526428648 is about 1959.7303398277.

The spelling of 7526428648 in words is "seven billion, five hundred twenty-six million, four hundred twenty-eight thousand, six hundred forty-eight".