448203340139 has 24 divisors (see below), whose sum is σ = 489773945520. Its totient is φ = 409613400000.

The previous prime is 448203340121. The next prime is 448203340147. The reversal of 448203340139 is 931043302844.

It is not a de Polignac number, because 448203340139 - 2¹² = 448203336043 is a prime.

It is a super-2 number, since 2×448203340139² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 448203340096 and 448203340105.

It is not an unprimeable number, because it can be changed into a prime (448203343139) 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 23 ways as a sum of consecutive naturals, for example, 12345764 + ... + 12382014.

It is an arithmetic number, because the mean of its divisors is an integer number (20407247730).

Almost surely, 2^448203340139 is an apocalyptic number.

448203340139 is a deficient number, since it is larger than the sum of its proper divisors (41570605381).

448203340139 is a wasteful number, since it uses less digits than its factorization.

448203340139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37499 (or 37480 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 41.

The spelling of 448203340139 in words is "four hundred forty-eight billion, two hundred three million, three hundred forty thousand, one hundred thirty-nine".