2656043012 has 12 divisors (see below), whose sum is σ = 5312086080. Its totient is φ = 1138304136.

The previous prime is 2656043009. The next prime is 2656043057. The reversal of 2656043012 is 2103406562.

2656043012 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47429312 + ... + 47429367.

It is an arithmetic number, because the mean of its divisors is an integer number (442673840).

Almost surely, 2^2656043012 is an apocalyptic number.

It is an amenable number.

2656043012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2656043012 is a wasteful number, since it uses less digits than its factorization.

2656043012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94858690 (or 94858688 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 2656043012 is about 51536.8122025412. The cubic root of 2656043012 is about 1384.8785901472.

Adding to 2656043012 its reverse (2103406562), we get a palindrome (4759449574).

The spelling of 2656043012 in words is "two billion, six hundred fifty-six million, forty-three thousand, twelve".