447852240 has 400 divisors, whose sum is σ = 1741424256. Its totient is φ = 105753600.

The previous prime is 447852221. The next prime is 447852247. The reversal of 447852240 is 42258744.

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

It is a junction number, because it is equal to n+sod(n) for n = 447852195 and 447852204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (447852247) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 4348029 + ... + 4348131.

Almost surely, 2^447852240 is an apocalyptic number.

447852240 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 447852240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (870712128).

447852240 is an abundant number, since it is smaller than the sum of its proper divisors (1293572016).

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

447852240 is a wasteful number, since it uses less digits than its factorization.

447852240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200 (or 185 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 36.

The square root of 447852240 is about 21162.5196987504. The cubic root of 447852240 is about 765.0883404326.

The spelling of 447852240 in words is "four hundred forty-seven million, eight hundred fifty-two thousand, two hundred forty".