447700450 has 24 divisors (see below), whose sum is σ = 859587840. Its totient is φ = 173302800.

The previous prime is 447700343. The next prime is 447700501. The reversal of 447700450 is 54007744.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142870 + ... + 145969.

It is an arithmetic number, because the mean of its divisors is an integer number (35816160).

Almost surely, 2^447700450 is an apocalyptic number.

447700450 is a deficient number, since it is larger than the sum of its proper divisors (411887390).

447700450 is a wasteful number, since it uses less digits than its factorization.

447700450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288882 (or 288877 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 31.

The square root of 447700450 is about 21158.9331016476. The cubic root of 447700450 is about 765.0018938538.

The spelling of 447700450 in words is "four hundred forty-seven million, seven hundred thousand, four hundred fifty".