447135462720 has 84 divisors (see below), whose sum is σ = 1537959695220. Its totient is φ = 119236122624.

The previous prime is 447135462679. The next prime is 447135462751. The reversal of 447135462720 is 27264531744.

447135462720 is a `hidden beast` number, since 4 + 4 + 7 + 13 + 5 + 4 + 627 + 2 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 143119969344 + 304015493376 = 378312^2 + 551376^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77624805 + ... + 77630564.

Almost surely, 2^447135462720 is an apocalyptic number.

447135462720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

447135462720 is an abundant number, since it is smaller than the sum of its proper divisors (1090824232500).

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

447135462720 is a wasteful number, since it uses less digits than its factorization.

447135462720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155255392 (or 155255379 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 45.

The spelling of 447135462720 in words is "four hundred forty-seven billion, one hundred thirty-five million, four hundred sixty-two thousand, seven hundred twenty".