2011444152 has 64 divisors (see below), whose sum is σ = 5089244160. Its totient is φ = 662428800.

The previous prime is 2011444151. The next prime is 2011444163. The reversal of 2011444152 is 2514441102.

It is a super-2 number, since 2×2011444152² = 8091815153229998208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011444151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1633377 + ... + 1634607.

It is an arithmetic number, because the mean of its divisors is an integer number (79519440).

Almost surely, 2^2011444152 is an apocalyptic number.

It is an amenable number.

2011444152 is an abundant number, since it is smaller than the sum of its proper divisors (3077800008).

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

2011444152 is a wasteful number, since it uses less digits than its factorization.

2011444152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2004 (or 2000 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 2011444152 is about 44849.1265466787. The cubic root of 2011444152 is about 1262.3196021300.

Adding to 2011444152 its reverse (2514441102), we get a palindrome (4525885254).

The spelling of 2011444152 in words is "two billion, eleven million, four hundred forty-four thousand, one hundred fifty-two".