447240000 has 140 divisors (see below), whose sum is σ = 1479076544. Its totient is φ = 119232000.

The previous prime is 447239987. The next prime is 447240043. The reversal of 447240000 is 42744.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 118137 + ... + 121863.

Almost surely, 2^447240000 is an apocalyptic number.

447240000 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 447240000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (739538272).

447240000 is an abundant number, since it is smaller than the sum of its proper divisors (1031836544).

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

447240000 is an equidigital number, since it uses as much as digits as its factorization.

447240000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3762 (or 3737 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 21.

The square root of 447240000 is about 21148.0495554555. The cubic root of 447240000 is about 764.7395413889.

Adding to 447240000 its reverse (42744), we get a palindrome (447282744).

The spelling of 447240000 in words is "four hundred forty-seven million, two hundred forty thousand".