4142438439448 has 8 divisors (see below), whose sum is σ = 7767072073980. Its totient is φ = 2071219219720.

The previous prime is 4142438439439. The next prime is 4142438439493. The reversal of 4142438439448 is 8449348342414.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 4142438439392 and 4142438439401.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 258902402458 + ... + 258902402473.

Almost surely, 2^{4142438439448} is an apocalyptic number.

It is an amenable number.

4142438439448 is a deficient number, since it is larger than the sum of its proper divisors (3624633634532).

4142438439448 is a wasteful number, since it uses less digits than its factorization.

4142438439448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517804804937 (or 517804804933 counting only the distinct ones).

The product of its digits is 42467328, while the sum is 58.

The spelling of 4142438439448 in words is "four trillion, one hundred forty-two billion, four hundred thirty-eight million, four hundred thirty-nine thousand, four hundred forty-eight".