447306231251928 has 64 divisors (see below), whose sum is σ = 1143391088885760. Its totient is φ = 145759412462336.

The previous prime is 447306231251813. The next prime is 447306231251959. The reversal of 447306231251928 is 829152132603744.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230391576 + ... + 232324967.

It is an arithmetic number, because the mean of its divisors is an integer number (17865485763840).

It is a 1-persistent number, because it is pandigital, but 2⋅447306231251928 = 894612462503856 is not.

Almost surely, 2^{447306231251928} is an apocalyptic number.

It is an amenable number.

447306231251928 is an abundant number, since it is smaller than the sum of its proper divisors (696084857633832).

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

447306231251928 is a wasteful number, since it uses less digits than its factorization.

447306231251928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462717456 (or 462717452 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 57.

The spelling of 447306231251928 in words is "four hundred forty-seven trillion, three hundred six billion, two hundred thirty-one million, two hundred fifty-one thousand, nine hundred twenty-eight".