2642724085 has 16 divisors (see below), whose sum is σ = 3280807152. Its totient is φ = 2042176000.

The previous prime is 2642724013. The next prime is 2642724089. The reversal of 2642724085 is 5804272462.

2642724085 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 8 ways, for example, as 17288964 + 2625435121 = 4158^2 + 51239^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2642724085 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2642724089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43114 + ... + 84523.

It is an arithmetic number, because the mean of its divisors is an integer number (205050447).

Almost surely, 2^2642724085 is an apocalyptic number.

It is an amenable number.

2642724085 is a deficient number, since it is larger than the sum of its proper divisors (638083067).

2642724085 is a wasteful number, since it uses less digits than its factorization.

2642724085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127784.

The product of its (nonzero) digits is 215040, while the sum is 40.

The square root of 2642724085 is about 51407.4321961329. The cubic root of 2642724085 is about 1382.5598507815.

The spelling of 2642724085 in words is "two billion, six hundred forty-two million, seven hundred twenty-four thousand, eighty-five".