47720159693056 has 144 divisors (see below), whose sum is σ = 101098176076800. Its totient is φ = 22431837947904.

The previous prime is 47720159693053. The next prime is 47720159693081. The reversal of 47720159693056 is 65039695102774.

It is a super-2 number, since 2×47720159693056² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is not an unprimeable number, because it can be changed into a prime (47720159693053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2966372245 + ... + 2966388331.

It is an arithmetic number, because the mean of its divisors is an integer number (702070667200).

Almost surely, 2^{47720159693056} is an apocalyptic number.

47720159693056 is a gapful number since it is divisible by the number (46) 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 47720159693056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50549088038400).

47720159693056 is an abundant number, since it is smaller than the sum of its proper divisors (53378016383744).

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

47720159693056 is a wasteful number, since it uses less digits than its factorization.

47720159693056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24724 (or 24710 counting only the distinct ones).

The product of its (nonzero) digits is 85730400, while the sum is 64.

The spelling of 47720159693056 in words is "forty-seven trillion, seven hundred twenty billion, one hundred fifty-nine million, six hundred ninety-three thousand, fifty-six".