326402854624866 has 8 divisors (see below), whose sum is σ = 652805709249744. Its totient is φ = 108800951541620.

The previous prime is 326402854624843. The next prime is 326402854624883. The reversal of 326402854624866 is 668426458204623.

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

326402854624866 is an admirable number.

It is a super-2 number, since 2×326402854624866² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 326402854624797 and 326402854624806.

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, 27200237885400 + ... + 27200237885411.

It is an arithmetic number, because the mean of its divisors is an integer number (81600713656218).

Almost surely, 2^{326402854624866} is an apocalyptic number.

326402854624866 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

326402854624866 is a wasteful number, since it uses less digits than its factorization.

326402854624866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54400475770816.

The product of its (nonzero) digits is 637009920, while the sum is 66.

The spelling of 326402854624866 in words is "three hundred twenty-six trillion, four hundred two billion, eight hundred fifty-four million, six hundred twenty-four thousand, eight hundred sixty-six".