3838240321445 has 8 divisors (see below), whose sum is σ = 4605933096960. Its totient is φ = 3070562449680.

The previous prime is 3838240321397. The next prime is 3838240321499. The reversal of 3838240321445 is 5441230428383.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3838240321445 - 2¹⁶ = 3838240255909 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3838240321445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3151301 + ... + 4196090.

It is an arithmetic number, because the mean of its divisors is an integer number (575741637120).

Almost surely, 2^{3838240321445} is an apocalyptic number.

It is an amenable number.

3838240321445 is a deficient number, since it is larger than the sum of its proper divisors (767692775515).

3838240321445 is a wasteful number, since it uses less digits than its factorization.

3838240321445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7451875.

The product of its (nonzero) digits is 2211840, while the sum is 47.

The spelling of 3838240321445 in words is "three trillion, eight hundred thirty-eight billion, two hundred forty million, three hundred twenty-one thousand, four hundred forty-five".