326464460 has 144 divisors (see below), whose sum is σ = 853221600. Its totient is φ = 104315904.

The previous prime is 326464429. The next prime is 326464469. The reversal of 326464460 is 64464623.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 326464460.

It is not an unprimeable number, because it can be changed into a prime (326464469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1657082 + ... + 1657278.

It is an arithmetic number, because the mean of its divisors is an integer number (5925150).

Almost surely, 2^326464460 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 326464460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (426610800).

326464460 is an abundant number, since it is smaller than the sum of its proper divisors (526757140).

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

326464460 is a wasteful number, since it uses less digits than its factorization.

326464460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328 (or 319 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 35.

The square root of 326464460 is about 18068.3275374341. The cubic root of 326464460 is about 688.5655700776.

The spelling of 326464460 in words is "three hundred twenty-six million, four hundred sixty-four thousand, four hundred sixty".