448899999999 has 32 divisors (see below), whose sum is σ = 663784381440. Its totient is φ = 267571200000.

The previous prime is 448899999949. The next prime is 448900000007. The reversal of 448899999999 is 999999998844.

It is a Cunningham number, because it is equal to 670000²-1.

It is not a de Polignac number, because 448899999999 - 2¹¹ = 448899997951 is a prime.

It is a super-2 number, since 2×448899999999² (a number of 24 digits) contains 22 as substring.

448899999999 is a modest number, since divided by 999999 gives 448899 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 (448899999949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 334999 + ... + 1004999.

It is an arithmetic number, because the mean of its divisors is an integer number (20743261920).

Almost surely, 2^448899999999 is an apocalyptic number.

448899999999 is a deficient number, since it is larger than the sum of its proper divisors (214884381441).

448899999999 is a wasteful number, since it uses less digits than its factorization.

448899999999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670351.

The product of its digits is 44079842304, while the sum is 96.

The spelling of 448899999999 in words is "four hundred forty-eight billion, eight hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-nine".