2660256238 has 16 divisors (see below), whose sum is σ = 4058356320. Its totient is φ = 1307498400.

The previous prime is 2660256163. The next prime is 2660256301. The reversal of 2660256238 is 8326520662.

2660256238 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2660256238.

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, 217428 + ... + 229336.

It is an arithmetic number, because the mean of its divisors is an integer number (253647270).

Almost surely, 2^2660256238 is an apocalyptic number.

2660256238 is a deficient number, since it is larger than the sum of its proper divisors (1398100082).

2660256238 is a wasteful number, since it uses less digits than its factorization.

2660256238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13803.

The product of its (nonzero) digits is 207360, while the sum is 40.

The square root of 2660256238 is about 51577.6718939504. The cubic root of 2660256238 is about 1385.6104713657.

The spelling of 2660256238 in words is "two billion, six hundred sixty million, two hundred fifty-six thousand, two hundred thirty-eight".