447138607148 has 12 divisors (see below), whose sum is σ = 786589383552. Its totient is φ = 222398783280.

The previous prime is 447138607141. The next prime is 447138607171. The reversal of 447138607148 is 841706831744.

It is a self number, because there is not a number n which added to its sum of digits gives 447138607148.

It is not an unprimeable number, because it can be changed into a prime (447138607141) 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, 292629215 + ... + 292630742.

It is an arithmetic number, because the mean of its divisors is an integer number (65549115296).

Almost surely, 2^447138607148 is an apocalyptic number.

It is an amenable number.

447138607148 is a deficient number, since it is larger than the sum of its proper divisors (339450776404).

447138607148 is a wasteful number, since it uses less digits than its factorization.

447138607148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585260152 (or 585260150 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 53.

The spelling of 447138607148 in words is "four hundred forty-seven billion, one hundred thirty-eight million, six hundred seven thousand, one hundred forty-eight".