2140264056 has 128 divisors (see below), whose sum is σ = 6416732160. Its totient is φ = 581990400.

The previous prime is 2140264031. The next prime is 2140264081. The reversal of 2140264056 is 6504620412.

It is an interprime number because it is at equal distance from previous prime (2140264031) and next prime (2140264081).

It is a super-2 number, since 2×2140264056² = 9161460458811142272, which contains 22 as substring.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 314320 + ... + 321056.

It is an arithmetic number, because the mean of its divisors is an integer number (50130720).

Almost surely, 2^2140264056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2140264056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3208366080).

2140264056 is an abundant number, since it is smaller than the sum of its proper divisors (4276468104).

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

2140264056 is a wasteful number, since it uses less digits than its factorization.

2140264056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6845 (or 6841 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 2140264056 is about 46262.9879709471. The cubic root of 2140264056 is about 1288.7117431773.

Adding to 2140264056 its reverse (6504620412), we get a palindrome (8644884468).

It can be divided in two parts, 21402 and 64056, that added together give a palindrome (85458).

The spelling of 2140264056 in words is "two billion, one hundred forty million, two hundred sixty-four thousand, fifty-six".