2660235745 has 8 divisors (see below), whose sum is σ = 3193439400. Its totient is φ = 2127417600.

The previous prime is 2660235727. The next prime is 2660235791. The reversal of 2660235745 is 5475320662.

It can be written as a sum of positive squares in 4 ways, for example, as 31315216 + 2628920529 = 5596^2 + 51273^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2660235745 - 2⁵ = 2660235713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2660235698 and 2660235707.

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, 80970 + ... + 108979.

It is an arithmetic number, because the mean of its divisors is an integer number (399179925).

Almost surely, 2^2660235745 is an apocalyptic number.

It is an amenable number.

2660235745 is a deficient number, since it is larger than the sum of its proper divisors (533203655).

2660235745 is a wasteful number, since it uses less digits than its factorization.

2660235745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192755.

The product of its (nonzero) digits is 302400, while the sum is 40.

The square root of 2660235745 is about 51577.4732320225. The cubic root of 2660235745 is about 1385.6069133891.

The spelling of 2660235745 in words is "two billion, six hundred sixty million, two hundred thirty-five thousand, seven hundred forty-five".