2140044012 has 36 divisors (see below), whose sum is σ = 5416079760. Its totient is φ = 712487712.

The previous prime is 2140043989. The next prime is 2140044037. The reversal of 2140044012 is 2104400412.

2140044012 is a `hidden beast` number, since 214 + 0 + 0 + 440 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×2140044012² = 9159576746594112288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5223 + ... + 65630.

It is an arithmetic number, because the mean of its divisors is an integer number (150446660).

Almost surely, 2^2140044012 is an apocalyptic number.

It is an amenable number.

2140044012 is an abundant number, since it is smaller than the sum of its proper divisors (3276035748).

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

2140044012 is a wasteful number, since it uses less digits than its factorization.

2140044012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71702 (or 71697 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 2140044012 is about 46260.6097236083. The cubic root of 2140044012 is about 1288.6675768193.

Adding to 2140044012 its reverse (2104400412), we get a palindrome (4244444424).

The spelling of 2140044012 in words is "two billion, one hundred forty million, forty-four thousand, twelve".