326745431430 has 256 divisors, whose sum is σ = 918160220160. Its totient is φ = 73582387200.

The previous prime is 326745431399. The next prime is 326745431443. The reversal of 326745431430 is 34134547623.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 85915909 + ... + 85919711.

It is an arithmetic number, because the mean of its divisors is an integer number (3586563360).

Almost surely, 2^326745431430 is an apocalyptic number.

326745431430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 326745431430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (459080110080).

326745431430 is an abundant number, since it is smaller than the sum of its proper divisors (591414788730).

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

326745431430 is a wasteful number, since it uses less digits than its factorization.

326745431430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4107.

The product of its (nonzero) digits is 725760, while the sum is 42.

The spelling of 326745431430 in words is "three hundred twenty-six billion, seven hundred forty-five million, four hundred thirty-one thousand, four hundred thirty".