447274240 has 72 divisors (see below), whose sum is σ = 1224437760. Its totient is φ = 153348096.

The previous prime is 447274237. The next prime is 447274253. The reversal of 447274240 is 42472744.

It is a junction number, because it is equal to n+sod(n) for n = 447274196 and 447274205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16000 + ... + 33919.

It is an arithmetic number, because the mean of its divisors is an integer number (17006080).

Almost surely, 2^447274240 is an apocalyptic number.

447274240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

447274240 is an abundant number, since it is smaller than the sum of its proper divisors (777163520).

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

447274240 is an equidigital number, since it uses as much as digits as its factorization.

447274240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49947 (or 49933 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 34.

The square root of 447274240 is about 21148.8590708813. The cubic root of 447274240 is about 764.7590566482.

The spelling of 447274240 in words is "four hundred forty-seven million, two hundred seventy-four thousand, two hundred forty".