2011451344 has 80 divisors (see below), whose sum is σ = 4546597888. Its totient is φ = 844286976.

The previous prime is 2011451327. The next prime is 2011451383. The reversal of 2011451344 is 4431541102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1282849 + ... + 1284415.

Almost surely, 2^2011451344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2011451344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2273298944).

2011451344 is an abundant number, since it is smaller than the sum of its proper divisors (2535146544).

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

2011451344 is a wasteful number, since it uses less digits than its factorization.

2011451344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1812 (or 1806 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 2011451344 is about 44849.2067265409. The cubic root of 2011451344 is about 1262.3211066199.

Adding to 2011451344 its reverse (4431541102), we get a palindrome (6442992446).

The spelling of 2011451344 in words is "two billion, eleven million, four hundred fifty-one thousand, three hundred forty-four".