447255337620 has 192 divisors, whose sum is σ = 1544348413440. Its totient is φ = 94179981312.

The previous prime is 447255337579. The next prime is 447255337657. The reversal of 447255337620 is 26733552744.

It is a self number, because there is not a number n which added to its sum of digits gives 447255337620.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 2698674 + ... + 2859606.

It is an arithmetic number, because the mean of its divisors is an integer number (8043481320).

Almost surely, 2^447255337620 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 447255337620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (772174206720).

447255337620 is an abundant number, since it is smaller than the sum of its proper divisors (1097093075820).

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

447255337620 is a wasteful number, since it uses less digits than its factorization.

447255337620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161474 (or 161472 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 48.

The spelling of 447255337620 in words is "four hundred forty-seven billion, two hundred fifty-five million, three hundred thirty-seven thousand, six hundred twenty".