447371340 has 96 divisors (see below), whose sum is σ = 1420043520. Its totient is φ = 104322816.

The previous prime is 447371339. The next prime is 447371347. The reversal of 447371340 is 43173744.

It is a super-2 number, since 2×447371340² = 400282231706791200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (447371347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 274 + ... + 29913.

It is an arithmetic number, because the mean of its divisors is an integer number (14792120).

Almost surely, 2^447371340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 447371340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (710021760).

447371340 is an abundant number, since it is smaller than the sum of its proper divisors (972672180).

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

447371340 is a wasteful number, since it uses less digits than its factorization.

447371340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30231 (or 30229 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 33.

The square root of 447371340 is about 21151.1545784149. The cubic root of 447371340 is about 764.8143938625.

The spelling of 447371340 in words is "four hundred forty-seven million, three hundred seventy-one thousand, three hundred forty".