447115240 has 64 divisors (see below), whose sum is σ = 1181900160. Its totient is φ = 150078720.

The previous prime is 447115231. The next prime is 447115241. The reversal of 447115240 is 42511744.

It is a super-3 number, since 3×447115240³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 447115199 and 447115208.

It is not an unprimeable number, because it can be changed into a prime (447115241) 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 15 ways as a sum of consecutive naturals, for example, 33364 + ... + 44803.

It is an arithmetic number, because the mean of its divisors is an integer number (18467190).

Almost surely, 2^447115240 is an apocalyptic number.

447115240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

447115240 is an abundant number, since it is smaller than the sum of its proper divisors (734784920).

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

447115240 is a wasteful number, since it uses less digits than its factorization.

447115240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78202 (or 78198 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 447115240 is about 21145.0996687176. The cubic root of 447115240 is about 764.6684253750.

Adding to 447115240 its reverse (42511744), we get a palindrome (489626984).

The spelling of 447115240 in words is "four hundred forty-seven million, one hundred fifteen thousand, two hundred forty".