326426225022440 has 32 divisors (see below), whose sum is σ = 773114743476000. Its totient is φ = 123698358955584.

The previous prime is 326426225022379. The next prime is 326426225022463. The reversal of 326426225022440 is 44220522624623.

It is a junction number, because it is equal to n+sod(n) for n = 326426225022391 and 326426225022400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214754094650 + ... + 214754096169.

It is an arithmetic number, because the mean of its divisors is an integer number (24159835733625).

Almost surely, 2^{326426225022440} is an apocalyptic number.

It is an amenable number.

326426225022440 is an abundant number, since it is smaller than the sum of its proper divisors (446688518453560).

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

326426225022440 is a wasteful number, since it uses less digits than its factorization.

326426225022440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429508190849 (or 429508190845 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 44.

The spelling of 326426225022440 in words is "three hundred twenty-six trillion, four hundred twenty-six billion, two hundred twenty-five million, twenty-two thousand, four hundred forty".