2011301240 has 256 divisors, whose sum is σ = 5486745600. Its totient is φ = 656308224.

The previous prime is 2011301239. The next prime is 2011301269. The reversal of 2011301240 is 421031102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12043637 + ... + 12043803.

It is an arithmetic number, because the mean of its divisors is an integer number (21432600).

Almost surely, 2^2011301240 is an apocalyptic number.

2011301240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2011301240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2743372800).

2011301240 is an abundant number, since it is smaller than the sum of its proper divisors (3475444360).

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

2011301240 is a wasteful number, since it uses less digits than its factorization.

2011301240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286 (or 282 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2011301240 is about 44847.5332654986. The cubic root of 2011301240 is about 1262.2897057177.

Adding to 2011301240 its reverse (421031102), we get a palindrome (2432332342).

The spelling of 2011301240 in words is "two billion, eleven million, three hundred one thousand, two hundred forty".