42564123260 has 24 divisors (see below), whose sum is σ = 89614455840. Its totient is φ = 16981878464.

The previous prime is 42564123257. The next prime is 42564123289. The reversal of 42564123260 is 6232146524.

It is a self number, because there is not a number n which added to its sum of digits gives 42564123260.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2727704 + ... + 2743263.

It is an arithmetic number, because the mean of its divisors is an integer number (3733935660).

Almost surely, 2^42564123260 is an apocalyptic number.

It is an amenable number.

42564123260 is an abundant number, since it is smaller than the sum of its proper divisors (47050332580).

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

42564123260 is a wasteful number, since it uses less digits than its factorization.

42564123260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5471365 (or 5471363 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

Adding to 42564123260 its reverse (6232146524), we get a palindrome (48796269784).

The spelling of 42564123260 in words is "forty-two billion, five hundred sixty-four million, one hundred twenty-three thousand, two hundred sixty".