14478023918 has 8 divisors (see below), whose sum is σ = 21847078512. Its totient is φ = 7195664416.

The previous prime is 14478023893. The next prime is 14478023929. The reversal of 14478023918 is 81932087441.

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

It is a super-2 number, since 2×14478023918² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21673355 + ... + 21674022.

It is an arithmetic number, because the mean of its divisors is an integer number (2730884814).

Almost surely, 2^14478023918 is an apocalyptic number.

14478023918 is a deficient number, since it is larger than the sum of its proper divisors (7369054594).

14478023918 is a wasteful number, since it uses less digits than its factorization.

14478023918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43347546.

The product of its (nonzero) digits is 387072, while the sum is 47.

The spelling of 14478023918 in words is "fourteen billion, four hundred seventy-eight million, twenty-three thousand, nine hundred eighteen".