448232001668 has 72 divisors (see below), whose sum is σ = 892447245312. Its totient is φ = 196629840000.

The previous prime is 448232001649. The next prime is 448232001673. The reversal of 448232001668 is 866100232844.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5465768 + ... + 5547168.

Almost surely, 2^448232001668 is an apocalyptic number.

It is an amenable number.

448232001668 is a deficient number, since it is larger than the sum of its proper divisors (444215243644).

448232001668 is a wasteful number, since it uses less digits than its factorization.

448232001668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81825 (or 81812 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 44.

The spelling of 448232001668 in words is "four hundred forty-eight billion, two hundred thirty-two million, one thousand, six hundred sixty-eight".