14400047656 has 16 divisors (see below), whose sum is σ = 27024808500. Its totient is φ = 7193432064.

The previous prime is 14400047639. The next prime is 14400047657. The reversal of 14400047656 is 65674000441.

It can be written as a sum of positive squares in 2 ways, for example, as 10913145156 + 3486902500 = 104466^2 + 59050^2 .

It is a super-2 number, since 2×14400047656² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14400047657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 814681 + ... + 832168.

Almost surely, 2^14400047656 is an apocalyptic number.

It is an amenable number.

14400047656 is a deficient number, since it is larger than the sum of its proper divisors (12624760844).

14400047656 is a wasteful number, since it uses less digits than its factorization.

14400047656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1647948 (or 1647944 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 37.

The spelling of 14400047656 in words is "fourteen billion, four hundred million, forty-seven thousand, six hundred fifty-six".