2011426384 has 20 divisors (see below), whose sum is σ = 4251424320. Its totient is φ = 914284640.

The previous prime is 2011426321. The next prime is 2011426387. The reversal of 2011426384 is 4836241102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011426387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5714104 + ... + 5714455.

It is an arithmetic number, because the mean of its divisors is an integer number (212571216).

Almost surely, 2^2011426384 is an apocalyptic number.

It is an amenable number.

2011426384 is an abundant number, since it is smaller than the sum of its proper divisors (2239997936).

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

2011426384 is a wasteful number, since it uses less digits than its factorization.

2011426384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11428578 (or 11428572 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 2011426384 is about 44848.9284598863. The cubic root of 2011426384 is about 1262.3158852383.

Adding to 2011426384 its reverse (4836241102), we get a palindrome (6847667486).

The spelling of 2011426384 in words is "two billion, eleven million, four hundred twenty-six thousand, three hundred eighty-four".