47907645220 has 24 divisors (see below), whose sum is σ = 100773478008. Its totient is φ = 19131168000.

The previous prime is 47907645199. The next prime is 47907645223. The reversal of 47907645220 is 2254670974.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 15563061504 + 32344583716 = 124752^2 + 179846^2 .

It is not an unprimeable number, because it can be changed into a prime (47907645223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1980811 + ... + 2004850.

It is an arithmetic number, because the mean of its divisors is an integer number (4198894917).

Almost surely, 2^47907645220 is an apocalyptic number.

It is an amenable number.

47907645220 is an abundant number, since it is smaller than the sum of its proper divisors (52865832788).

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

47907645220 is a wasteful number, since it uses less digits than its factorization.

47907645220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3986271 (or 3986269 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 46.

The spelling of 47907645220 in words is "forty-seven billion, nine hundred seven million, six hundred forty-five thousand, two hundred twenty".