47128941280 has 24 divisors (see below), whose sum is σ = 111342124152. Its totient is φ = 18851576448.

The previous prime is 47128941259. The next prime is 47128941287. The reversal of 47128941280 is 8214982174.

It is a super-2 number, since 2×47128941280² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 47128941280.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47128941287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147277782 + ... + 147278101.

It is an arithmetic number, because the mean of its divisors is an integer number (4639255173).

Almost surely, 2^47128941280 is an apocalyptic number.

47128941280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47128941280 is an abundant number, since it is smaller than the sum of its proper divisors (64213182872).

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

47128941280 is a wasteful number, since it uses less digits than its factorization.

47128941280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294555898 (or 294555890 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 46.

It can be divided in two parts, 4712894 and 1280, that added together give a palindrome (4714174).

The spelling of 47128941280 in words is "forty-seven billion, one hundred twenty-eight million, nine hundred forty-one thousand, two hundred eighty".