326331705336 has 128 divisors (see below), whose sum is σ = 1006835988480. Its totient is φ = 85830782976.

The previous prime is 326331705313. The next prime is 326331705341. The reversal of 326331705336 is 633507133623.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 597960 + ... + 1005096.

It is an arithmetic number, because the mean of its divisors is an integer number (7865906160).

Almost surely, 2^326331705336 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 326331705336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (503417994240).

326331705336 is an abundant number, since it is smaller than the sum of its proper divisors (680504283144).

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

326331705336 is a wasteful number, since it uses less digits than its factorization.

326331705336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407533 (or 407529 counting only the distinct ones).

The product of its (nonzero) digits is 612360, while the sum is 42.

Adding to 326331705336 its reverse (633507133623), we get a palindrome (959838838959).

The spelling of 326331705336 in words is "three hundred twenty-six billion, three hundred thirty-one million, seven hundred five thousand, three hundred thirty-six".