2660259712 has 32 divisors (see below), whose sum is σ = 5781533400. Its totient is φ = 1209208320.

The previous prime is 2660259683. The next prime is 2660259731. The reversal of 2660259712 is 2179520662.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 943287 + ... + 946102.

Almost surely, 2^2660259712 is an apocalyptic number.

2660259712 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2660259712 is an abundant number, since it is smaller than the sum of its proper divisors (3121273688).

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

2660259712 is a wasteful number, since it uses less digits than its factorization.

2660259712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1889414 (or 1889402 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 2660259712 is about 51577.7055713028. The cubic root of 2660259712 is about 1385.6110745168.

The spelling of 2660259712 in words is "two billion, six hundred sixty million, two hundred fifty-nine thousand, seven hundred twelve".