447422729074056 has 160 divisors (see below), whose sum is σ = 1254174403442400. Its totient is φ = 149024730735360.

The previous prime is 447422729074049. The next prime is 447422729074093. The reversal of 447422729074056 is 650470927224744.

It is a happy number.

447422729074056 is a `hidden beast` number, since 4 + 4 + 7 + 4 + 227 + 290 + 74 + 0 + 56 = 666.

It is a super-2 number, since 2×447422729074056² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 447422729073984 and 447422729074002.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7221006916 + ... + 7221068876.

It is an arithmetic number, because the mean of its divisors is an integer number (7838590021515).

Almost surely, 2^{447422729074056} 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 447422729074056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (627087201721200).

447422729074056 is an abundant number, since it is smaller than the sum of its proper divisors (806751674368344).

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

447422729074056 is a wasteful number, since it uses less digits than its factorization.

447422729074056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70481 (or 70468 counting only the distinct ones).

The product of its (nonzero) digits is 189665280, while the sum is 63.

The spelling of 447422729074056 in words is "four hundred forty-seven trillion, four hundred twenty-two billion, seven hundred twenty-nine million, seventy-four thousand, fifty-six".