14747978448 has 600 divisors, whose sum is σ = 55418774400. Its totient is φ = 3751888896.

The previous prime is 14747978437. The next prime is 14747978491. The reversal of 14747978448 is 84487974741.

14747978448 is a `hidden beast` number, since 1 + 47 + 479 + 7 + 84 + 48 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 20511433 + ... + 20512151.

It is an arithmetic number, because the mean of its divisors is an integer number (92364624).

Almost surely, 2^14747978448 is an apocalyptic number.

14747978448 is a gapful number since it is divisible by the number (18) 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 14747978448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27709387200).

14747978448 is an abundant number, since it is smaller than the sum of its proper divisors (40670795952).

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

14747978448 is a wasteful number, since it uses less digits than its factorization.

14747978448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 789 (or 767 counting only the distinct ones).

The product of its digits is 50577408, while the sum is 63.

The spelling of 14747978448 in words is "fourteen billion, seven hundred forty-seven million, nine hundred seventy-eight thousand, four hundred forty-eight".