2660464026 has 96 divisors (see below), whose sum is σ = 6378765120. Its totient is φ = 801329760.

The previous prime is 2660464013. The next prime is 2660464033. The reversal of 2660464026 is 6204640662.

2660464026 is a `hidden beast` number, since 2 + 6 + 6 + 0 + 4 + 640 + 2 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7019505 + ... + 7019883.

It is an arithmetic number, because the mean of its divisors is an integer number (66445470).

Almost surely, 2^2660464026 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2660464026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3189382560).

2660464026 is an abundant number, since it is smaller than the sum of its proper divisors (3718301094).

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

2660464026 is a wasteful number, since it uses less digits than its factorization.

2660464026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713 (or 688 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The square root of 2660464026 is about 51579.6861758580. The cubic root of 2660464026 is about 1385.6465463033.

It can be divided in two parts, 266046 and 4026, that added together give a palindrome (270072).

The spelling of 2660464026 in words is "two billion, six hundred sixty million, four hundred sixty-four thousand, twenty-six".