326112561240 has 256 divisors, whose sum is σ = 1029382041600. Its totient is φ = 82550016000.

The previous prime is 326112561239. The next prime is 326112561289. The reversal of 326112561240 is 42165211623.

326112561240 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 40949499 + ... + 40957461.

It is an arithmetic number, because the mean of its divisors is an integer number (4021023600).

Almost surely, 2^326112561240 is an apocalyptic number.

326112561240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 326112561240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (514691020800).

326112561240 is an abundant number, since it is smaller than the sum of its proper divisors (703269480360).

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

326112561240 is a wasteful number, since it uses less digits than its factorization.

326112561240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8218 (or 8214 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

Adding to 326112561240 its reverse (42165211623), we get a palindrome (368277772863).

The spelling of 326112561240 in words is "three hundred twenty-six billion, one hundred twelve million, five hundred sixty-one thousand, two hundred forty".