2771540890 has 16 divisors (see below), whose sum is σ = 4991576040. Its totient is φ = 1107993600.

The previous prime is 2771540873. The next prime is 2771540903. The reversal of 2771540890 is 980451772.

2771540890 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 4 ways, for example, as 2501300169 + 270240721 = 50013^2 + 16439^2 .

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, 58935 + ... + 94954.

Almost surely, 2^2771540890 is an apocalyptic number.

2771540890 is a deficient number, since it is larger than the sum of its proper divisors (2220035150).

2771540890 is a wasteful number, since it uses less digits than its factorization.

2771540890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155697.

The product of its (nonzero) digits is 141120, while the sum is 43.

The square root of 2771540890 is about 52645.4261071178. The cubic root of 2771540890 is about 1404.6682414724.

The spelling of 2771540890 in words is "two billion, seven hundred seventy-one million, five hundred forty thousand, eight hundred ninety".