47508806520 has 384 divisors, whose sum is σ = 182632320000. Its totient is φ = 10704234240.

The previous prime is 47508806507. The next prime is 47508806551. The reversal of 47508806520 is 2560880574.

47508806520 is a `hidden beast` number, since 4 + 7 + 508 + 80 + 65 + 2 + 0 = 666.

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 (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8764371 + ... + 8769789.

It is an arithmetic number, because the mean of its divisors is an integer number (475605000).

Almost surely, 2^47508806520 is an apocalyptic number.

47508806520 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 47508806520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91316160000).

47508806520 is an abundant number, since it is smaller than the sum of its proper divisors (135123513480).

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

47508806520 is a wasteful number, since it uses less digits than its factorization.

47508806520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5528 (or 5507 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The spelling of 47508806520 in words is "forty-seven billion, five hundred eight million, eight hundred six thousand, five hundred twenty".