324426520 has 128 divisors (see below), whose sum is σ = 847065600. Its totient is φ = 110592000.

The previous prime is 324426511. The next prime is 324426587. The reversal of 324426520 is 25624423.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1262232 + ... + 1262488.

It is an arithmetic number, because the mean of its divisors is an integer number (6617700).

Almost surely, 2^324426520 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 324426520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (423532800).

324426520 is an abundant number, since it is smaller than the sum of its proper divisors (522639080).

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

324426520 is a wasteful number, since it uses less digits than its factorization.

324426520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449 (or 445 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 324426520 is about 18011.8438811800. The cubic root of 324426520 is about 687.1297982671.

The spelling of 324426520 in words is "three hundred twenty-four million, four hundred twenty-six thousand, five hundred twenty".