2140345056 has 48 divisors (see below), whose sum is σ = 5636784384. Its totient is φ = 711114624.

The previous prime is 2140345049. The next prime is 2140345093. The reversal of 2140345056 is 6505430412.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6840 + ... + 65783.

It is an arithmetic number, because the mean of its divisors is an integer number (117433008).

Almost surely, 2^2140345056 is an apocalyptic number.

It is an amenable number.

2140345056 is an abundant number, since it is smaller than the sum of its proper divisors (3496439328).

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

2140345056 is a wasteful number, since it uses less digits than its factorization.

2140345056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72943 (or 72935 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 2140345056 is about 46263.8633925011. The cubic root of 2140345056 is about 1288.7280004134.

Adding to 2140345056 its reverse (6505430412), we get a palindrome (8645775468).

The spelling of 2140345056 in words is "two billion, one hundred forty million, three hundred forty-five thousand, fifty-six".