448346643844 has 36 divisors (see below), whose sum is σ = 862789432204. Its totient is φ = 203706360000.

The previous prime is 448346643817. The next prime is 448346643863.

448346643844 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 175110445444 + 273236198400 = 418462^2 + 522720^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 935194 + ... + 1330894.

Almost surely, 2^448346643844 is an apocalyptic number.

448346643844 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

448346643844 is a deficient number, since it is larger than the sum of its proper divisors (414442788360).

448346643844 is a wasteful number, since it uses less digits than its factorization.

448346643844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398068 (or 398055 counting only the distinct ones).

The product of its digits is 84934656, while the sum is 58.

The spelling of 448346643844 in words is "four hundred forty-eight billion, three hundred forty-six million, six hundred forty-three thousand, eight hundred forty-four".