47747318320000 has 640 divisors, whose sum is σ = 129551136865920. Its totient is φ = 17418240000000.

The previous prime is 47747318319949. The next prime is 47747318320001. The reversal of 47747318320000 is 2381374774.

It is a tau number, because it is divible by the number of its divisors (640).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47747318320001) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 63578319625 + ... + 63578320375.

It is an arithmetic number, because the mean of its divisors is an integer number (202423651353).

Almost surely, 2^{47747318320000} is an apocalyptic number.

47747318320000 is a gapful number since it is divisible by the number (40) 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 47747318320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64775568432960).

47747318320000 is an abundant number, since it is smaller than the sum of its proper divisors (81803818545920).

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

47747318320000 is a wasteful number, since it uses less digits than its factorization.

47747318320000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1452 (or 1425 counting only the distinct ones).

The product of its (nonzero) digits is 790272, while the sum is 46.

Adding to 47747318320000 its reverse (2381374774), we get a palindrome (47749699694774).

The spelling of 47747318320000 in words is "forty-seven trillion, seven hundred forty-seven billion, three hundred eighteen million, three hundred twenty thousand".