14020744457 has 8 divisors (see below), whose sum is σ = 14364510720. Its totient is φ = 13677063840.

The previous prime is 14020744433. The next prime is 14020744459. The reversal of 14020744457 is 75444702041.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 14020744457 - 2²⁶ = 13953635593 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14020744457.

It is not an unprimeable number, because it can be changed into a prime (14020744459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 420128 + ... + 452270.

It is an arithmetic number, because the mean of its divisors is an integer number (1795563840).

Almost surely, 2^14020744457 is an apocalyptic number.

It is an amenable number.

14020744457 is a deficient number, since it is larger than the sum of its proper divisors (343766263).

14020744457 is a wasteful number, since it uses less digits than its factorization.

14020744457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42823.

The product of its (nonzero) digits is 125440, while the sum is 38.

The spelling of 14020744457 in words is "fourteen billion, twenty million, seven hundred forty-four thousand, four hundred fifty-seven".