8439440449348 has 12 divisors (see below), whose sum is σ = 14770009512720. Its totient is φ = 4219437731432.

The previous prime is 8439440449337. The next prime is 8439440449411.

It is a happy number.

8439440449348 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 8439440449348.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70556086 + ... + 70675597.

It is an arithmetic number, because the mean of its divisors is an integer number (1230834126060).

Almost surely, 2^{8439440449348} is an apocalyptic number.

It is an amenable number.

8439440449348 is a deficient number, since it is larger than the sum of its proper divisors (6330569063372).

8439440449348 is a wasteful number, since it uses less digits than its factorization.

8439440449348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141246626 (or 141246624 counting only the distinct ones).

The product of its (nonzero) digits is 191102976, while the sum is 64.

The spelling of 8439440449348 in words is "eight trillion, four hundred thirty-nine billion, four hundred forty million, four hundred forty-nine thousand, three hundred forty-eight".