447404540542660 has 48 divisors (see below), whose sum is σ = 941082320075184. Its totient is φ = 178669863364608.

The previous prime is 447404540542633. The next prime is 447404540542699. The reversal of 447404540542660 is 66245045404744.

It can be written as a sum of positive squares in 8 ways, for example, as 101346623215236 + 346057917327424 = 10067106^2 + 18602632^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1998684262 + ... + 1998908098.

It is an arithmetic number, because the mean of its divisors is an integer number (19605881668233).

Almost surely, 2^{447404540542660} is an apocalyptic number.

It is an amenable number.

447404540542660 is an abundant number, since it is smaller than the sum of its proper divisors (493677779532524).

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

447404540542660 is a wasteful number, since it uses less digits than its factorization.

447404540542660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386440 (or 386438 counting only the distinct ones).

The product of its (nonzero) digits is 51609600, while the sum is 55.

The spelling of 447404540542660 in words is "four hundred forty-seven trillion, four hundred four billion, five hundred forty million, five hundred forty-two thousand, six hundred sixty".