2771264238 has 16 divisors (see below), whose sum is σ = 5551489920. Its totient is φ = 922261176.

The previous prime is 2771264213. The next prime is 2771264257. The reversal of 2771264238 is 8324621772.

It is a happy number.

2771264238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2771264238.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 369370 + ... + 376797.

It is an arithmetic number, because the mean of its divisors is an integer number (346968120).

Almost surely, 2^2771264238 is an apocalyptic number.

2771264238 is an abundant number, since it is smaller than the sum of its proper divisors (2780225682).

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

2771264238 is a wasteful number, since it uses less digits than its factorization.

2771264238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746791.

The product of its digits is 225792, while the sum is 42.

The square root of 2771264238 is about 52642.7985388315. The cubic root of 2771264238 is about 1404.6215024652.

The spelling of 2771264238 in words is "two billion, seven hundred seventy-one million, two hundred sixty-four thousand, two hundred thirty-eight".