14781457848 has 32 divisors (see below), whose sum is σ = 37032802560. Its totient is φ = 4916598240.

The previous prime is 14781457829. The next prime is 14781457871. The reversal of 14781457848 is 84875418741.

It is a happy number.

It is a super-2 number, since 2×14781457848² (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 7 ways as a sum of consecutive naturals, for example, 648208 + ... + 670623.

It is an arithmetic number, because the mean of its divisors is an integer number (1157275080).

Almost surely, 2^14781457848 is an apocalyptic number.

It is an amenable number.

14781457848 is an abundant number, since it is smaller than the sum of its proper divisors (22251344712).

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

14781457848 is a wasteful number, since it uses less digits than its factorization.

14781457848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1319307 (or 1319303 counting only the distinct ones).

The product of its digits is 8028160, while the sum is 57.

The spelling of 14781457848 in words is "fourteen billion, seven hundred eighty-one million, four hundred fifty-seven thousand, eight hundred forty-eight".