326428522386 has 16 divisors (see below), whose sum is σ = 653285728224. Its totient is φ = 108738060224.

The previous prime is 326428522367. The next prime is 326428522397. The reversal of 326428522386 is 683225824623.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 17851911 + ... + 17870186.

It is an arithmetic number, because the mean of its divisors is an integer number (40830358014).

Almost surely, 2^326428522386 is an apocalyptic number.

326428522386 is an abundant number, since it is smaller than the sum of its proper divisors (326857205838).

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

326428522386 is a wasteful number, since it uses less digits than its factorization.

326428522386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35723625.

The product of its digits is 6635520, while the sum is 51.

The spelling of 326428522386 in words is "three hundred twenty-six billion, four hundred twenty-eight million, five hundred twenty-two thousand, three hundred eighty-six".