14240778785 has 16 divisors (see below), whose sum is σ = 17968072320. Its totient is φ = 10814094720.

The previous prime is 14240778763. The next prime is 14240778809. The reversal of 14240778785 is 58787704241.

It is a de Polignac number, because none of the positive numbers 2^k-14240778785 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 457580 + ... + 487709.

It is an arithmetic number, because the mean of its divisors is an integer number (1123004520).

Almost surely, 2^14240778785 is an apocalyptic number.

It is an amenable number.

14240778785 is a deficient number, since it is larger than the sum of its proper divisors (3727293535).

14240778785 is a wasteful number, since it uses less digits than its factorization.

14240778785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 945448.

The product of its (nonzero) digits is 3512320, while the sum is 53.

The spelling of 14240778785 in words is "fourteen billion, two hundred forty million, seven hundred seventy-eight thousand, seven hundred eighty-five".