447287021496 has 192 divisors, whose sum is σ = 1459274918400. Its totient is φ = 120908277504.

The previous prime is 447287021483. The next prime is 447287021527. The reversal of 447287021496 is 694120782744.

447287021496 is a `hidden beast` number, since 4 + 4 + 72 + 87 + 0 + 2 + 1 + 496 = 666.

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 47 ways as a sum of consecutive naturals, for example, 7218181 + ... + 7279883.

It is an arithmetic number, because the mean of its divisors is an integer number (7600390200).

Almost surely, 2^447287021496 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 447287021496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (729637459200).

447287021496 is an abundant number, since it is smaller than the sum of its proper divisors (1011987896904).

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

447287021496 is a wasteful number, since it uses less digits than its factorization.

447287021496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62498 (or 62491 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 54.

The spelling of 447287021496 in words is "four hundred forty-seven billion, two hundred eighty-seven million, twenty-one thousand, four hundred ninety-six".