447386510828 has 12 divisors (see below), whose sum is σ = 783265486080. Its totient is φ = 223596371952.

The previous prime is 447386510819. The next prime is 447386510833. The reversal of 447386510828 is 828015683744.

It is a super-2 number, since 2×447386510828² (a number of 24 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 24210476 + ... + 24228947.

It is an arithmetic number, because the mean of its divisors is an integer number (65272123840).

Almost surely, 2^447386510828 is an apocalyptic number.

It is an amenable number.

447386510828 is a deficient number, since it is larger than the sum of its proper divisors (335878975252).

447386510828 is a wasteful number, since it uses less digits than its factorization.

447386510828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48441736 (or 48441734 counting only the distinct ones).

The product of its (nonzero) digits is 10321920, while the sum is 56.

The spelling of 447386510828 in words is "four hundred forty-seven billion, three hundred eighty-six million, five hundred ten thousand, eight hundred twenty-eight".