4781394344448 has 240 divisors, whose sum is σ = 14362283775840. Its totient is φ = 1588032884736.

The previous prime is 4781394344429. The next prime is 4781394344477. The reversal of 4781394344448 is 8444434931874.

4781394344448 is a `hidden beast` number, since 4 + 7 + 81 + 39 + 43 + 44 + 448 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34393863 + ... + 34532601.

It is an arithmetic number, because the mean of its divisors is an integer number (59842849066).

Almost surely, 2^{4781394344448} is an apocalyptic number.

4781394344448 is a gapful number since it is divisible by the number (48) 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 4781394344448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7181141887920).

4781394344448 is an abundant number, since it is smaller than the sum of its proper divisors (9580889431392).

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

4781394344448 is an equidigital number, since it uses as much as digits as its factorization.

4781394344448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139049 (or 139021 counting only the distinct ones).

The product of its digits is 148635648, while the sum is 63.

The spelling of 4781394344448 in words is "four trillion, seven hundred eighty-one billion, three hundred ninety-four million, three hundred forty-four thousand, four hundred forty-eight".