2011001344 has 80 divisors (see below), whose sum is σ = 4614302880. Its totient is φ = 865935360.

The previous prime is 2011001329. The next prime is 2011001357. The reversal of 2011001344 is 4431001102.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97612 + ... + 116404.

It is an arithmetic number, because the mean of its divisors is an integer number (57678786).

Almost surely, 2^2011001344 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 2011001344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2307151440).

2011001344 is an abundant number, since it is smaller than the sum of its proper divisors (2603301536).

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

2011001344 is a wasteful number, since it uses less digits than its factorization.

2011001344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18841 (or 18825 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2011001344 is about 44844.1896347788. The cubic root of 2011001344 is about 1262.2269645027.

Adding to 2011001344 its reverse (4431001102), we get a palindrome (6442002446).

The spelling of 2011001344 in words is "two billion, eleven million, one thousand, three hundred forty-four".