2660440662 has 48 divisors (see below), whose sum is σ = 6295088592. Its totient is φ = 805325760.

The previous prime is 2660440661. The next prime is 2660440669.

2660440662 is a `hidden beast` number, since 2 + 6 + 604 + 40 + 6 + 6 + 2 = 666.

2660440662 is nontrivially palindromic in base 10.

2660440662 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2660440661) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 190668 + ... + 204144.

It is an arithmetic number, because the mean of its divisors is an integer number (131147679).

Almost surely, 2^2660440662 is an apocalyptic number.

2660440662 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2660440662 is an abundant number, since it is smaller than the sum of its proper divisors (3634647930).

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

2660440662 is a wasteful number, since it uses less digits than its factorization.

2660440662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14493 (or 14490 counting only the distinct ones).

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

The square root of 2660440662 is about 51579.4596908498. The cubic root of 2660440662 is about 1385.6424900759.

The spelling of 2660440662 in words is "two billion, six hundred sixty million, four hundred forty thousand, six hundred sixty-two".