447154642988 has 24 divisors (see below), whose sum is σ = 784647486000. Its totient is φ = 222970001408.

The previous prime is 447154642973. The next prime is 447154642999. The reversal of 447154642988 is 889246451744.

It is a self number, because there is not a number n which added to its sum of digits gives 447154642988.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5215088 + ... + 5300136.

It is an arithmetic number, because the mean of its divisors is an integer number (32693645250).

Almost surely, 2^447154642988 is an apocalyptic number.

It is an amenable number.

447154642988 is a deficient number, since it is larger than the sum of its proper divisors (337492843012).

447154642988 is a wasteful number, since it uses less digits than its factorization.

447154642988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88609 (or 88607 counting only the distinct ones).

The product of its digits is 61931520, while the sum is 62.

The spelling of 447154642988 in words is "four hundred forty-seven billion, one hundred fifty-four million, six hundred forty-two thousand, nine hundred eighty-eight".