47850021648 has 800 divisors, whose sum is σ = 174228848640. Its totient is φ = 12462750720.

The previous prime is 47850021631. The next prime is 47850021679. The reversal of 47850021648 is 84612005874.

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 159 ways as a sum of consecutive naturals, for example, 376771761 + ... + 376771887.

Almost surely, 2^47850021648 is an apocalyptic number.

47850021648 is a gapful number since it is divisible by the number (48) 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 47850021648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87114424320).

47850021648 is an abundant number, since it is smaller than the sum of its proper divisors (126378826992).

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

47850021648 is a wasteful number, since it uses less digits than its factorization.

47850021648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297 (or 282 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The spelling of 47850021648 in words is "forty-seven billion, eight hundred fifty million, twenty-one thousand, six hundred forty-eight".