14349778416 has 60 divisors (see below), whose sum is σ = 40168783200. Its totient is φ = 4782147840.

The previous prime is 14349778393. The next prime is 14349778427. The reversal of 14349778416 is 61487794341.

It is a happy number.

14349778416 is a `hidden beast` number, since 1 + 43 + 497 + 78 + 41 + 6 = 666.

It is a super-2 number, since 2×14349778416² (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 11 ways as a sum of consecutive naturals, for example, 813660 + ... + 831108.

It is an arithmetic number, because the mean of its divisors is an integer number (669479720).

Almost surely, 2^14349778416 is an apocalyptic number.

14349778416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

14349778416 is an abundant number, since it is smaller than the sum of its proper divisors (25819004784).

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

14349778416 is a wasteful number, since it uses less digits than its factorization.

14349778416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23174 (or 23165 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The spelling of 14349778416 in words is "fourteen billion, three hundred forty-nine million, seven hundred seventy-eight thousand, four hundred sixteen".