42726568526 has 16 divisors (see below), whose sum is σ = 65338151424. Its totient is φ = 20950044984.

The previous prime is 42726568523. The next prime is 42726568553. The reversal of 42726568526 is 62586562724.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42726568523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 685040 + ... + 744803.

It is an arithmetic number, because the mean of its divisors is an integer number (4083634464).

Almost surely, 2^42726568526 is an apocalyptic number.

42726568526 is a deficient number, since it is larger than the sum of its proper divisors (22611582898).

42726568526 is a wasteful number, since it uses less digits than its factorization.

42726568526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1430135.

The product of its digits is 9676800, while the sum is 53.

The spelling of 42726568526 in words is "forty-two billion, seven hundred twenty-six million, five hundred sixty-eight thousand, five hundred twenty-six".