47817222480 has 300 divisors, whose sum is σ = 175285775412. Its totient is φ = 12079549440.

The previous prime is 47817222469. The next prime is 47817222503. The reversal of 47817222480 is 8422271874.

47817222480 is a `hidden beast` number, since 4 + 7 + 81 + 72 + 22 + 480 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 29475395856 + 18341826624 = 171684^2 + 135432^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 2329060 + ... + 2349500.

Almost surely, 2^47817222480 is an apocalyptic number.

47817222480 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 47817222480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87642887706).

47817222480 is an abundant number, since it is smaller than the sum of its proper divisors (127468552932).

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

47817222480 is a wasteful number, since it uses less digits than its factorization.

47817222480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20504 (or 20470 counting only the distinct ones).

The product of its (nonzero) digits is 401408, while the sum is 45.

The spelling of 47817222480 in words is "forty-seven billion, eight hundred seventeen million, two hundred twenty-two thousand, four hundred eighty".