47220716556 has 144 divisors (see below), whose sum is σ = 133810185600. Its totient is φ = 14393066688.

The previous prime is 47220716539. The next prime is 47220716581. The reversal of 47220716556 is 65561702274.

47220716556 is a `hidden beast` number, since 4 + 7 + 2 + 20 + 71 + 6 + 556 = 666.

It is a super-2 number, since 2×47220716556² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1940875 + ... + 1965053.

It is an arithmetic number, because the mean of its divisors is an integer number (929237400).

Almost surely, 2^47220716556 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47220716556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66905092800).

47220716556 is an abundant number, since it is smaller than the sum of its proper divisors (86589469044).

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

47220716556 is a wasteful number, since it uses less digits than its factorization.

47220716556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24325 (or 24304 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

The spelling of 47220716556 in words is "forty-seven billion, two hundred twenty million, seven hundred sixteen thousand, five hundred fifty-six".