447647220000 has 810 divisors, whose sum is σ = 1699337246607. Its totient is φ = 111727296000.

The previous prime is 447647219963. The next prime is 447647220001. The reversal of 447647220000 is 22746744.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

447647220000 is a `hidden beast` number, since 4 + 4 + 7 + 647 + 2 + 2 + 0 + 0 + 0 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 103496037264 + 344151182736 = 321708^2 + 586644^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=473100.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (447647220001) by changing a digit.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 5393339959 + ... + 5393340041.

Almost surely, 2^447647220000 is an apocalyptic number.

447647220000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 447647220000

447647220000 is an abundant number, since it is smaller than the sum of its proper divisors (1251690026607).

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

447647220000 is an equidigital number, since it uses as much as digits as its factorization.

447647220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 36.

Adding to 447647220000 its reverse (22746744), we get a palindrome (447669966744).

The spelling of 447647220000 in words is "four hundred forty-seven billion, six hundred forty-seven million, two hundred twenty thousand".