326818352046388 has 12 divisors (see below), whose sum is σ = 572542502551012. Its totient is φ = 163234779888960.

The previous prime is 326818352046367. The next prime is 326818352046421. The reversal of 326818352046388 is 883640253818623.

It can be written as a sum of positive squares in 2 ways, for example, as 81370105809444 + 245448246236944 = 9020538^2 + 15666788^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43599029343 + ... + 43599036838.

Almost surely, 2^{326818352046388} is an apocalyptic number.

It is an amenable number.

326818352046388 is a deficient number, since it is larger than the sum of its proper divisors (245724150504624).

326818352046388 is a wasteful number, since it uses less digits than its factorization.

326818352046388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87198067122 (or 87198067120 counting only the distinct ones).

The product of its (nonzero) digits is 318504960, while the sum is 67.

The spelling of 326818352046388 in words is "three hundred twenty-six trillion, eight hundred eighteen billion, three hundred fifty-two million, forty-six thousand, three hundred eighty-eight".