447925972041856 has 768 divisors, whose sum is σ = 1182949504450560. Its totient is φ = 165140591616000.

The previous prime is 447925972041851. The next prime is 447925972041929. The reversal of 447925972041856 is 658140279529744.

It is not an unprimeable number, because it can be changed into a prime (447925972041851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 54685134721 + ... + 54685142911.

It is an arithmetic number, because the mean of its divisors is an integer number (1540298833920).

Almost surely, 2^{447925972041856} 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 447925972041856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (591474752225280).

447925972041856 is an abundant number, since it is smaller than the sum of its proper divisors (735023532408704).

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

447925972041856 is a wasteful number, since it uses less digits than its factorization.

447925972041856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8625 (or 8602 counting only the distinct ones).

The product of its (nonzero) digits is 1219276800, while the sum is 73.

The spelling of 447925972041856 in words is "four hundred forty-seven trillion, nine hundred twenty-five billion, nine hundred seventy-two million, forty-one thousand, eight hundred fifty-six".