447740424 has 192 divisors, whose sum is σ = 1349187840. Its totient is φ = 133539840.

The previous prime is 447740417. The next prime is 447740443. The reversal of 447740424 is 424047744.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2473614 + ... + 2473794.

It is an arithmetic number, because the mean of its divisors is an integer number (7027020).

Almost surely, 2^447740424 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 447740424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (674593920).

447740424 is an abundant number, since it is smaller than the sum of its proper divisors (901447416).

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

447740424 is a wasteful number, since it uses less digits than its factorization.

447740424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300 (or 293 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 36.

The square root of 447740424 is about 21159.8776934083. The cubic root of 447740424 is about 765.0246615143.

The spelling of 447740424 in words is "four hundred forty-seven million, seven hundred forty thousand, four hundred twenty-four".