448899287945 has 16 divisors (see below), whose sum is σ = 540247412880. Its totient is φ = 358074630144.

The previous prime is 448899287899. The next prime is 448899287999. The reversal of 448899287945 is 549782998844.

It can be written as a sum of positive squares in 8 ways, for example, as 8576797321 + 440322490624 = 92611^2 + 663568^2 .

It is a cyclic number.

It is not a de Polignac number, because 448899287945 - 2⁸ = 448899287689 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5183561 + ... + 5269449.

It is an arithmetic number, because the mean of its divisors is an integer number (33765463305).

Almost surely, 2^448899287945 is an apocalyptic number.

It is an amenable number.

448899287945 is a deficient number, since it is larger than the sum of its proper divisors (91348124935).

448899287945 is a wasteful number, since it uses less digits than its factorization.

448899287945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88924.

The product of its digits is 1672151040, while the sum is 77.

The spelling of 448899287945 in words is "four hundred forty-eight billion, eight hundred ninety-nine million, two hundred eighty-seven thousand, nine hundred forty-five".