14278530816 has 216 divisors, whose sum is σ = 45870499584. Its totient is φ = 4234414080.

The previous prime is 14278530787. The next prime is 14278530817. The reversal of 14278530816 is 61803587241.

14278530816 is a `hidden beast` number, since 1 + 42 + 78 + 530 + 8 + 1 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14278530817) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1185175 + ... + 1197161.

It is an arithmetic number, because the mean of its divisors is an integer number (212363424).

Almost surely, 2^14278530816 is an apocalyptic number.

14278530816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14278530816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22935249792).

14278530816 is an abundant number, since it is smaller than the sum of its proper divisors (31591968768).

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

14278530816 is a wasteful number, since it uses less digits than its factorization.

14278530816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12067 (or 12050 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The spelling of 14278530816 in words is "fourteen billion, two hundred seventy-eight million, five hundred thirty thousand, eight hundred sixteen".