14400640071 has 12 divisors (see below), whose sum is σ = 20860530600. Its totient is φ = 9572916240.

The previous prime is 14400640063. The next prime is 14400640073. The reversal of 14400640071 is 17004600441.

14400640071 is a `hidden beast` number, since 14 + 4 + 0 + 0 + 640 + 0 + 7 + 1 = 666.

It is not a de Polignac number, because 14400640071 - 2³ = 14400640063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14400640073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2289225 + ... + 2295506.

It is an arithmetic number, because the mean of its divisors is an integer number (1738377550).

Almost surely, 2^14400640071 is an apocalyptic number.

14400640071 is a deficient number, since it is larger than the sum of its proper divisors (6459890529).

14400640071 is a wasteful number, since it uses less digits than its factorization.

14400640071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4585086 (or 4585083 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The spelling of 14400640071 in words is "fourteen billion, four hundred million, six hundred forty thousand, seventy-one".