326020464 has 320 divisors, whose sum is σ = 1190876160. Its totient is φ = 84680640.

The previous prime is 326020463. The next prime is 326020477. The reversal of 326020464 is 464020623.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326020463) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 29638219 + ... + 29638229.

It is an arithmetic number, because the mean of its divisors is an integer number (3721488).

Almost surely, 2^326020464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 326020464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (595438080).

326020464 is an abundant number, since it is smaller than the sum of its proper divisors (864855696).

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

326020464 is an frugal number, since it uses more digits than its factorization.

326020464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69 (or 23 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 326020464 is about 18056.0367744419. The cubic root of 326020464 is about 688.2532756875.

The spelling of 326020464 in words is "three hundred twenty-six million, twenty thousand, four hundred sixty-four".