14406378457 has 8 divisors (see below), whose sum is σ = 14552524800. Its totient is φ = 14260445424.

The previous prime is 14406378421. The next prime is 14406378491. The reversal of 14406378457 is 75487360441.

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 14406378457 - 2²⁷ = 14272160729 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14406378457.

It is not an unprimeable number, because it can be changed into a prime (14406372457) 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, 84219 + ... + 189487.

It is an arithmetic number, because the mean of its divisors is an integer number (1819065600).

Almost surely, 2^14406378457 is an apocalyptic number.

It is an amenable number.

14406378457 is a deficient number, since it is larger than the sum of its proper divisors (146146343).

14406378457 is a wasteful number, since it uses less digits than its factorization.

14406378457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106655.

The product of its (nonzero) digits is 2257920, while the sum is 49.

The spelling of 14406378457 in words is "fourteen billion, four hundred six million, three hundred seventy-eight thousand, four hundred fifty-seven".