326230140 has 24 divisors (see below), whose sum is σ = 913444560. Its totient is φ = 86994688.

The previous prime is 326230139. The next prime is 326230159. The reversal of 326230140 is 41032623.

It is a happy number.

It is a super-2 number, since 2×326230140² = 212852208488839200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2718525 + ... + 2718644.

It is an arithmetic number, because the mean of its divisors is an integer number (38060190).

Almost surely, 2^326230140 is an apocalyptic number.

326230140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

326230140 is an abundant number, since it is smaller than the sum of its proper divisors (587214420).

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

326230140 is a wasteful number, since it uses less digits than its factorization.

326230140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5437181 (or 5437179 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 326230140 is about 18061.8420987451. The cubic root of 326230140 is about 688.4007912412.

Adding to 326230140 its reverse (41032623), we get a palindrome (367262763).

The spelling of 326230140 in words is "three hundred twenty-six million, two hundred thirty thousand, one hundred forty".