7526428650 has 72 divisors (see below), whose sum is σ = 21776483820. Its totient is φ = 1852657920.

The previous prime is 7526428643. The next prime is 7526428687. The reversal of 7526428650 is 568246257.

7526428650 is a `hidden beast` number, since 7 + 526 + 42 + 86 + 5 + 0 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 539307729 + 6987120921 = 23223^2 + 83589^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 7526428596 and 7526428605.

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 35 ways as a sum of consecutive naturals, for example, 637435 + ... + 649134.

Almost surely, 2^7526428650 is an apocalyptic number.

7526428650 is an abundant number, since it is smaller than the sum of its proper divisors (14250055170).

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

7526428650 is a wasteful number, since it uses less digits than its factorization.

7526428650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286600 (or 1286592 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The square root of 7526428650 is about 86754.9920753843. The cubic root of 7526428650 is about 1959.7303400013.

The spelling of 7526428650 in words is "seven billion, five hundred twenty-six million, four hundred twenty-eight thousand, six hundred fifty".