447823286416 has 135 divisors (see below), whose sum is σ = 972436963827. Its totient is φ = 199634550720.

The previous prime is 447823286399. The next prime is 447823286431. The reversal of 447823286416 is 614682328744.

The square root of 447823286416 is 669196.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1972789695 + ... + 1972789921.

Almost surely, 2^447823286416 is an apocalyptic number.

447823286416 is the 669196-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 447823286416

447823286416 is an abundant number, since it is smaller than the sum of its proper divisors (524613677411).

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

447823286416 is an equidigital number, since it uses as much as digits as its factorization.

447823286416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618 (or 307 counting only the distinct ones).

The product of its digits is 12386304, while the sum is 55.

It can be divided in two parts, 44782328 and 6416, that added together give a palindrome (44788744).

The spelling of 447823286416 in words is "four hundred forty-seven billion, eight hundred twenty-three million, two hundred eighty-six thousand, four hundred sixteen".