326565120240 has 240 divisors, whose sum is σ = 1127144509920. Its totient is φ = 84685547520.

The previous prime is 326565120239. The next prime is 326565120251. The reversal of 326565120240 is 42021565623.

326565120240 is a `hidden beast` number, since 32 + 6 + 565 + 1 + 20 + 2 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 326565120195 and 326565120204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7066810 + ... + 7112870.

It is an arithmetic number, because the mean of its divisors is an integer number (4696435458).

Almost surely, 2^326565120240 is an apocalyptic number.

326565120240 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 326565120240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (563572254960).

326565120240 is an abundant number, since it is smaller than the sum of its proper divisors (800579389680).

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

326565120240 is a wasteful number, since it uses less digits than its factorization.

326565120240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46352 (or 46343 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 326565120240 its reverse (42021565623), we get a palindrome (368586685863).

The spelling of 326565120240 in words is "three hundred twenty-six billion, five hundred sixty-five million, one hundred twenty thousand, two hundred forty".