448899999 has 4 divisors (see below), whose sum is σ = 598533336. Its totient is φ = 299266664.

The previous prime is 448899973. The next prime is 448900003. The reversal of 448899999 is 999998844.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 448899999 - 2⁸ = 448899743 is a prime.

It is a super-2 number, since 2×448899999² = 403022418204400002, which contains 22 as substring.

448899999 is a modest number, since divided by 99999 gives 4488 as remainder.

It is a plaindrome in base 10.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448899299) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 74816664 + ... + 74816669.

It is an arithmetic number, because the mean of its divisors is an integer number (149633334).

Almost surely, 2^448899999 is an apocalyptic number.

448899999 is a deficient number, since it is larger than the sum of its proper divisors (149633337).

448899999 is a wasteful number, since it uses less digits than its factorization.

448899999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149633336.

The product of its digits is 60466176, while the sum is 69.

The square root of 448899999 is about 21187.2602995291. The cubic root of 448899999 is about 765.6845220841.

The spelling of 448899999 in words is "four hundred forty-eight million, eight hundred ninety-nine thousand, nine hundred ninety-nine".