2776238340 has 48 divisors (see below), whose sum is σ = 7806032640. Its totient is φ = 737228800.

The previous prime is 2776238291. The next prime is 2776238341. The reversal of 2776238340 is 438326772.

It is a junction number, because it is equal to n+sod(n) for n = 2776238292 and 2776238301.

It is not an unprimeable number, because it can be changed into a prime (2776238341) 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, 82461 + ... + 111140.

It is an arithmetic number, because the mean of its divisors is an integer number (162625680).

Almost surely, 2^2776238340 is an apocalyptic number.

2776238340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2776238340 is an abundant number, since it is smaller than the sum of its proper divisors (5029794300).

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

2776238340 is a wasteful number, since it uses less digits than its factorization.

2776238340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193852 (or 193850 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 42.

The square root of 2776238340 is about 52690.0212564011. The cubic root of 2776238340 is about 1405.4613784281.

The spelling of 2776238340 in words is "two billion, seven hundred seventy-six million, two hundred thirty-eight thousand, three hundred forty".