2140555122 has 72 divisors (see below), whose sum is σ = 4952473344. Its totient is φ = 667834992.

The previous prime is 2140555057. The next prime is 2140555133. The reversal of 2140555122 is 2215550412.

2140555122 is a `hidden beast` number, since 2 + 140 + 5 + 5 + 512 + 2 = 666.

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 445143 + ... + 449925.

It is an arithmetic number, because the mean of its divisors is an integer number (68784352).

Almost surely, 2^2140555122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2140555122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2476236672).

2140555122 is an abundant number, since it is smaller than the sum of its proper divisors (2811918222).

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

2140555122 is a wasteful number, since it uses less digits than its factorization.

2140555122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4884 (or 4858 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 2140555122 is about 46266.1336400612. The cubic root of 2140555122 is about 1288.7701601389.

The spelling of 2140555122 in words is "two billion, one hundred forty million, five hundred fifty-five thousand, one hundred twenty-two".