447565231660 has 12 divisors (see below), whose sum is σ = 939886986528. Its totient is φ = 179026092656.

The previous prime is 447565231657. The next prime is 447565231661. The reversal of 447565231660 is 66132565744.

It is not an unprimeable number, because it can be changed into a prime (447565231661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11189130772 + ... + 11189130811.

It is an arithmetic number, because the mean of its divisors is an integer number (78323915544).

Almost surely, 2^447565231660 is an apocalyptic number.

It is an amenable number.

447565231660 is an abundant number, since it is smaller than the sum of its proper divisors (492321754868).

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

447565231660 is a wasteful number, since it uses less digits than its factorization.

447565231660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22378261592 (or 22378261590 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 49.

The spelling of 447565231660 in words is "four hundred forty-seven billion, five hundred sixty-five million, two hundred thirty-one thousand, six hundred sixty".