47421855288 has 96 divisors (see below), whose sum is σ = 130622091600. Its totient is φ = 15539433984.

The previous prime is 47421855253. The next prime is 47421855289. The reversal of 47421855288 is 88255812474.

47421855288 is a `hidden beast` number, since 4 + 7 + 4 + 2 + 1 + 8 + 552 + 88 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47421855289) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1598898 + ... + 1628286.

Almost surely, 2^47421855288 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 47421855288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65311045800).

47421855288 is an abundant number, since it is smaller than the sum of its proper divisors (83200236312).

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

47421855288 is a wasteful number, since it uses less digits than its factorization.

47421855288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29781 (or 29774 counting only the distinct ones).

The product of its digits is 5734400, while the sum is 54.

The spelling of 47421855288 in words is "forty-seven billion, four hundred twenty-one million, eight hundred fifty-five thousand, two hundred eighty-eight".