447755340220 has 12 divisors (see below), whose sum is σ = 940286214504. Its totient is φ = 179102136080.

The previous prime is 447755340169. The next prime is 447755340223. The reversal of 447755340220 is 22043557744.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447755340223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11193883486 + ... + 11193883525.

It is an arithmetic number, because the mean of its divisors is an integer number (78357184542).

Almost surely, 2^447755340220 is an apocalyptic number.

It is an amenable number.

447755340220 is an abundant number, since it is smaller than the sum of its proper divisors (492530874284).

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

447755340220 is a wasteful number, since it uses less digits than its factorization.

447755340220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22387767020 (or 22387767018 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 43.

Adding to 447755340220 its reverse (22043557744), we get a palindrome (469798897964).

The spelling of 447755340220 in words is "four hundred forty-seven billion, seven hundred fifty-five million, three hundred forty thousand, two hundred twenty".