47539943520 has 192 divisors, whose sum is σ = 153170196480. Its totient is φ = 12388681728.

The previous prime is 47539943509. The next prime is 47539943527. The reversal of 47539943520 is 2534993574.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47539943527) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20731494 + ... + 20733786.

It is an arithmetic number, because the mean of its divisors is an integer number (797761440).

Almost surely, 2^47539943520 is an apocalyptic number.

47539943520 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 47539943520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76585098240).

47539943520 is an abundant number, since it is smaller than the sum of its proper divisors (105630252960).

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

47539943520 is a wasteful number, since it uses less digits than its factorization.

47539943520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3277 (or 3269 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 51.

The spelling of 47539943520 in words is "forty-seven billion, five hundred thirty-nine million, nine hundred forty-three thousand, five hundred twenty".