2140551012 has 12 divisors (see below), whose sum is σ = 4994619056. Its totient is φ = 713517000.

The previous prime is 2140551011. The next prime is 2140551029. The reversal of 2140551012 is 2101550412.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 2140551012.

It is not an unprimeable number, because it can be changed into a prime (2140551011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89189614 + ... + 89189637.

Almost surely, 2^2140551012 is an apocalyptic number.

It is an amenable number.

2140551012 is an abundant number, since it is smaller than the sum of its proper divisors (2854068044).

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

2140551012 is a wasteful number, since it uses less digits than its factorization.

2140551012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178379258 (or 178379256 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 2140551012 is about 46266.0892231016. The cubic root of 2140551012 is about 1288.7693352986.

The spelling of 2140551012 in words is "two billion, one hundred forty million, five hundred fifty-one thousand, twelve".