47518481574 has 64 divisors (see below), whose sum is σ = 110564697600. Its totient is φ = 15098995296.

The previous prime is 47518481567. The next prime is 47518481579.

It is a happy number.

47518481574 is a `hidden beast` number, since 4 + 7 + 518 + 48 + 15 + 74 = 666.

47518481574 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 47518481574.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47518481579) 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, 298617 + ... + 429195.

It is an arithmetic number, because the mean of its divisors is an integer number (1727573400).

Almost surely, 2^47518481574 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47518481574, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55282348800).

47518481574 is an abundant number, since it is smaller than the sum of its proper divisors (63046216026).

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

47518481574 is a wasteful number, since it uses less digits than its factorization.

47518481574 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130906 (or 130900 counting only the distinct ones).

The product of its digits is 5017600, while the sum is 54.

The spelling of 47518481574 in words is "forty-seven billion, five hundred eighteen million, four hundred eighty-one thousand, five hundred seventy-four".