2011324540 has 12 divisors (see below), whose sum is σ = 4223781576. Its totient is φ = 804529808.

The previous prime is 2011324531. The next prime is 2011324559. The reversal of 2011324540 is 454231102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50283094 + ... + 50283133.

It is an arithmetic number, because the mean of its divisors is an integer number (351981798).

Almost surely, 2^2011324540 is an apocalyptic number.

2011324540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011324540 is an abundant number, since it is smaller than the sum of its proper divisors (2212457036).

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

2011324540 is a wasteful number, since it uses less digits than its factorization.

2011324540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100566236 (or 100566234 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 2011324540 is about 44847.7930337715. The cubic root of 2011324540 is about 1262.2945800474.

Adding to 2011324540 its reverse (454231102), we get a palindrome (2465555642).

The spelling of 2011324540 in words is "two billion, eleven million, three hundred twenty-four thousand, five hundred forty".