338042476416818 has 16 divisors (see below), whose sum is σ = 518888866557600. Its totient is φ = 165080020481376.

The previous prime is 338042476416787. The next prime is 338042476416833. The reversal of 338042476416818 is 818614674240833.

It is a super-2 number, since 2×338042476416818² (a number of 30 digits) contains 22 as substring.

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, 123534668 + ... + 126241431.

It is an arithmetic number, because the mean of its divisors is an integer number (32430554159850).

Almost surely, 2^{338042476416818} is an apocalyptic number.

338042476416818 is a deficient number, since it is larger than the sum of its proper divisors (180846390140782).

338042476416818 is a wasteful number, since it uses less digits than its factorization.

338042476416818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249791881.

The product of its (nonzero) digits is 148635648, while the sum is 65.

The spelling of 338042476416818 in words is "three hundred thirty-eight trillion, forty-two billion, four hundred seventy-six million, four hundred sixteen thousand, eight hundred eighteen".