2140044011 has 4 divisors (see below), whose sum is σ = 2445764592. Its totient is φ = 1834323432.

The previous prime is 2140043989. The next prime is 2140044037. The reversal of 2140044011 is 1104400412.

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

It is a cyclic number.

It is not a de Polignac number, because 2140044011 - 2¹⁰ = 2140042987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2140044311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152860280 + ... + 152860293.

It is an arithmetic number, because the mean of its divisors is an integer number (611441148).

Almost surely, 2^2140044011 is an apocalyptic number.

2140044011 is a deficient number, since it is larger than the sum of its proper divisors (305720581).

2140044011 is an equidigital number, since it uses as much as digits as its factorization.

2140044011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305720580.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 2140044011 is about 46260.6097127999. The cubic root of 2140044011 is about 1288.6675766186.

Adding to 2140044011 its reverse (1104400412), we get a palindrome (3244444423).

The spelling of 2140044011 in words is "two billion, one hundred forty million, forty-four thousand, eleven".