42776709460 has 12 divisors (see below), whose sum is σ = 89831089908. Its totient is φ = 17110683776.

The previous prime is 42776709427. The next prime is 42776709491. The reversal of 42776709460 is 6490767724.

42776709460 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 2 ways, for example, as 11074194756 + 31702514704 = 105234^2 + 178052^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42776709398 and 42776709407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1069417717 + ... + 1069417756.

It is an arithmetic number, because the mean of its divisors is an integer number (7485924159).

Almost surely, 2^42776709460 is an apocalyptic number.

It is an amenable number.

42776709460 is an abundant number, since it is smaller than the sum of its proper divisors (47054380448).

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

42776709460 is a wasteful number, since it uses less digits than its factorization.

42776709460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2138835482 (or 2138835480 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 52.

The spelling of 42776709460 in words is "forty-two billion, seven hundred seventy-six million, seven hundred nine thousand, four hundred sixty".