14540664644 has 12 divisors (see below), whose sum is σ = 27759450768. Its totient is φ = 6609393000.

The previous prime is 14540664631. The next prime is 14540664707. The reversal of 14540664644 is 44646604541.

14540664644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×14540664644² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 330469651 = 14540664644 / (1 + 4 + 5 + 4 + 0 + 6 + 6 + 4 + 6 + 4 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 14540664595 and 14540664604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165234782 + ... + 165234869.

It is an arithmetic number, because the mean of its divisors is an integer number (2313287564).

Almost surely, 2^14540664644 is an apocalyptic number.

It is an amenable number.

14540664644 is a deficient number, since it is larger than the sum of its proper divisors (13218786124).

14540664644 is a wasteful number, since it uses less digits than its factorization.

14540664644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330469666 (or 330469664 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 44.

The spelling of 14540664644 in words is "fourteen billion, five hundred forty million, six hundred sixty-four thousand, six hundred forty-four".