326122540 has 12 divisors (see below), whose sum is σ = 684857376. Its totient is φ = 130449008.

The previous prime is 326122499. The next prime is 326122541. The reversal of 326122540 is 45221623.

It is a super-2 number, since 2×326122540² = 212711822192103200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (326122541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8153044 + ... + 8153083.

It is an arithmetic number, because the mean of its divisors is an integer number (57071448).

Almost surely, 2^326122540 is an apocalyptic number.

It is an amenable number.

326122540 is an abundant number, since it is smaller than the sum of its proper divisors (358734836).

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

326122540 is a wasteful number, since it uses less digits than its factorization.

326122540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16306136 (or 16306134 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 326122540 is about 18058.8631978871. The cubic root of 326122540 is about 688.3250981836.

The spelling of 326122540 in words is "three hundred twenty-six million, one hundred twenty-two thousand, five hundred forty".