338018427845 has 24 divisors (see below), whose sum is σ = 476435683584. Its totient is φ = 225519598656.

The previous prime is 338018427839. The next prime is 338018427847. The reversal of 338018427845 is 548724810833.

It is not a de Polignac number, because 338018427845 - 2⁴ = 338018427829 is a prime.

It is a super-2 number, since 2×338018427845² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (338018427847) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3479357 + ... + 3575186.

It is an arithmetic number, because the mean of its divisors is an integer number (19851486816).

Almost surely, 2^338018427845 is an apocalyptic number.

338018427845 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

338018427845 is a deficient number, since it is larger than the sum of its proper divisors (138417255739).

338018427845 is an equidigital number, since it uses as much as digits as its factorization.

338018427845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7054629 (or 7054592 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 53.

The spelling of 338018427845 in words is "three hundred thirty-eight billion, eighteen million, four hundred twenty-seven thousand, eight hundred forty-five".