326464009928448 has 144 divisors (see below), whose sum is σ = 1009825116437760. Its totient is φ = 91694491803648.

The previous prime is 326464009928447. The next prime is 326464009928467. The reversal of 326464009928448 is 844829900464623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326464009928447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 514311565 + ... + 514945932.

Almost surely, 2^{326464009928448} is an apocalyptic number.

It is an amenable number.

326464009928448 is an abundant number, since it is smaller than the sum of its proper divisors (683361106509312).

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

326464009928448 is a wasteful number, since it uses less digits than its factorization.

326464009928448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029257582 (or 1029257568 counting only the distinct ones).

The product of its (nonzero) digits is 573308928, while the sum is 69.

The spelling of 326464009928448 in words is "three hundred twenty-six trillion, four hundred sixty-four billion, nine million, nine hundred twenty-eight thousand, four hundred forty-eight".