2881240706 has 4 divisors (see below), whose sum is σ = 4321861062. Its totient is φ = 1440620352.

The previous prime is 2881240651. The next prime is 2881240721. The reversal of 2881240706 is 6070421882.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2406393025 + 474847681 = 49055^2 + 21791^2 .

It is a super-2 number, since 2×2881240706² = 16603096011822756872, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2881240706.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 720310175 + ... + 720310178.

Almost surely, 2^2881240706 is an apocalyptic number.

2881240706 is a deficient number, since it is larger than the sum of its proper divisors (1440620356).

2881240706 is a wasteful number, since it uses less digits than its factorization.

2881240706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1440620355.

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 2881240706 is about 53677.1898109430. The cubic root of 2881240706 is about 1422.9616007451.

The spelling of 2881240706 in words is "two billion, eight hundred eighty-one million, two hundred forty thousand, seven hundred six".