14478909681936 has 80 divisors (see below), whose sum is σ = 42748016237568. Its totient is φ = 4136757878400.

The previous prime is 14478909681913. The next prime is 14478909681949. The reversal of 14478909681936 is 63918690987441.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20214901 + ... + 20918891.

Almost surely, 2^{14478909681936} is an apocalyptic number.

14478909681936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

14478909681936 is an abundant number, since it is smaller than the sum of its proper divisors (28269106555632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14478909681936 is a wasteful number, since it uses less digits than its factorization.

14478909681936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765220 (or 765214 counting only the distinct ones).

The product of its (nonzero) digits is 564350976, while the sum is 75.

The spelling of 14478909681936 in words is "fourteen trillion, four hundred seventy-eight billion, nine hundred nine million, six hundred eighty-one thousand, nine hundred thirty-six".