448509535634 has 16 divisors (see below), whose sum is σ = 674431833600. Its totient is φ = 223699023504.

The previous prime is 448509535601. The next prime is 448509535687. The reversal of 448509535634 is 436535905844.

It is a self number, because there is not a number n which added to its sum of digits gives 448509535634.

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, 13658924 + ... + 13691720.

It is an arithmetic number, because the mean of its divisors is an integer number (42151989600).

Almost surely, 2^448509535634 is an apocalyptic number.

448509535634 is a deficient number, since it is larger than the sum of its proper divisors (225922297966).

448509535634 is a wasteful number, since it uses less digits than its factorization.

448509535634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49537.

The product of its (nonzero) digits is 31104000, while the sum is 56.

The spelling of 448509535634 in words is "four hundred forty-eight billion, five hundred nine million, five hundred thirty-five thousand, six hundred thirty-four".