2606740056 has 80 divisors (see below), whose sum is σ = 7410383640. Its totient is φ = 855930240.

The previous prime is 2606740039. The next prime is 2606740117. The reversal of 2606740056 is 6500476062.

2606740056 is a `hidden beast` number, since 2 + 606 + 7 + 40 + 0 + 5 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 2606740056.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 13396 + ... + 73436.

Almost surely, 2^2606740056 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 2606740056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3705191820).

2606740056 is an abundant number, since it is smaller than the sum of its proper divisors (4803643584).

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

2606740056 is a wasteful number, since it uses less digits than its factorization.

2606740056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60126 (or 60113 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 2606740056 is about 51056.2440451704. The cubic root of 2606740056 is about 1376.2560522122.

The spelling of 2606740056 in words is "two billion, six hundred six million, seven hundred forty thousand, fifty-six".