447782354760 has 128 divisors (see below), whose sum is σ = 1448880048000. Its totient is φ = 110055837696.

The previous prime is 447782354741. The next prime is 447782354771. The reversal of 447782354760 is 67453287744.

It is a self number, because there is not a number n which added to its sum of digits gives 447782354760.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 810256 + ... + 1245824.

It is an arithmetic number, because the mean of its divisors is an integer number (11319375375).

Almost surely, 2^447782354760 is an apocalyptic number.

447782354760 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 447782354760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (724440024000).

447782354760 is an abundant number, since it is smaller than the sum of its proper divisors (1001097693240).

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

447782354760 is a wasteful number, since it uses less digits than its factorization.

447782354760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436255 (or 436251 counting only the distinct ones).

The product of its (nonzero) digits is 31610880, while the sum is 57.

The spelling of 447782354760 in words is "four hundred forty-seven billion, seven hundred eighty-two million, three hundred fifty-four thousand, seven hundred sixty".