326066140 has 48 divisors (see below), whose sum is σ = 711809280. Its totient is φ = 125314560.

The previous prime is 326066113. The next prime is 326066141. The reversal of 326066140 is 41660623.

It is a junction number, because it is equal to n+sod(n) for n = 326066099 and 326066108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326066141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128080 + ... + 130600.

It is an arithmetic number, because the mean of its divisors is an integer number (14829360).

Almost surely, 2^326066140 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 326066140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (355904640).

326066140 is an abundant number, since it is smaller than the sum of its proper divisors (385743140).

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

326066140 is a wasteful number, since it uses less digits than its factorization.

326066140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2782 (or 2780 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 326066140 is about 18057.3015702790. The cubic root of 326066140 is about 688.2854159896.

The spelling of 326066140 in words is "three hundred twenty-six million, sixty-six thousand, one hundred forty".