47471569920 has 528 divisors, whose sum is σ = 176271264000. Its totient is φ = 11776720896.

The previous prime is 47471569907. The next prime is 47471569933. The reversal of 47471569920 is 2996517474.

47471569920 is a `hidden beast` number, since 4 + 7 + 4 + 71 + 569 + 9 + 2 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (47471569907) and next prime (47471569933).

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 47 ways as a sum of consecutive naturals, for example, 51655221 + ... + 51656139.

Almost surely, 2^47471569920 is an apocalyptic number.

47471569920 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 47471569920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88135632000).

47471569920 is an abundant number, since it is smaller than the sum of its proper divisors (128799694080).

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

47471569920 is a wasteful number, since it uses less digits than its factorization.

47471569920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028 (or 1007 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 54.

The spelling of 47471569920 in words is "forty-seven billion, four hundred seventy-one million, five hundred sixty-nine thousand, nine hundred twenty".