447898604368 has 40 divisors (see below), whose sum is σ = 869464886400. Its totient is φ = 223520957184.

The previous prime is 447898604327. The next prime is 447898604389. The reversal of 447898604368 is 863406898744.

It is a super-2 number, since 2×447898604368² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20479423 + ... + 20501281.

It is an arithmetic number, because the mean of its divisors is an integer number (21736622160).

Almost surely, 2^447898604368 is an apocalyptic number.

It is an amenable number.

447898604368 is a deficient number, since it is larger than the sum of its proper divisors (421566282032).

447898604368 is a wasteful number, since it uses less digits than its factorization.

447898604368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24259 (or 24253 counting only the distinct ones).

The product of its (nonzero) digits is 222953472, while the sum is 67.

The spelling of 447898604368 in words is "four hundred forty-seven billion, eight hundred ninety-eight million, six hundred four thousand, three hundred sixty-eight".