338684855445 has 64 divisors (see below), whose sum is σ = 614880526080. Its totient is φ = 176827795200.

The previous prime is 338684855381. The next prime is 338684855447. The reversal of 338684855445 is 544558486833.

338684855445 is a `hidden beast` number, since 3 + 3 + 8 + 6 + 8 + 4 + 85 + 544 + 5 = 666.

It is not a de Polignac number, because 338684855445 - 2⁶ = 338684855381 is a prime.

It is a super-2 number, since 2×338684855445² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338684855447) by changing a digit.

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 in 63 ways as a sum of consecutive naturals, for example, 1640127 + ... + 1835043.

It is an arithmetic number, because the mean of its divisors is an integer number (9607508220).

Almost surely, 2^338684855445 is an apocalyptic number.

It is an amenable number.

338684855445 is a deficient number, since it is larger than the sum of its proper divisors (276195670635).

338684855445 is a wasteful number, since it uses less digits than its factorization.

338684855445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195203 (or 195197 counting only the distinct ones).

The product of its digits is 221184000, while the sum is 63.

The spelling of 338684855445 in words is "three hundred thirty-eight billion, six hundred eighty-four million, eight hundred fifty-five thousand, four hundred forty-five".