47928015018 has 144 divisors (see below), whose sum is σ = 114170303520. Its totient is φ = 14522841216.

The previous prime is 47928014987. The next prime is 47928015029. The reversal of 47928015018 is 81051082974.

47928015018 is a `hidden beast` number, since 479 + 28 + 0 + 150 + 1 + 8 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 74537805 + ... + 74538447.

It is an arithmetic number, because the mean of its divisors is an integer number (792849330).

Almost surely, 2^47928015018 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47928015018, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57085151760).

47928015018 is an abundant number, since it is smaller than the sum of its proper divisors (66242288502).

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

47928015018 is a wasteful number, since it uses less digits than its factorization.

47928015018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013 (or 997 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 45.

The spelling of 47928015018 in words is "forty-seven billion, nine hundred twenty-eight million, fifteen thousand, eighteen".