2011252444 has 6 divisors (see below), whose sum is σ = 3519691784. Its totient is φ = 1005626220.

The previous prime is 2011252409. The next prime is 2011252487. The reversal of 2011252444 is 4442521102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251406552 + ... + 251406559.

Almost surely, 2^2011252444 is an apocalyptic number.

It is an amenable number.

2011252444 is a deficient number, since it is larger than the sum of its proper divisors (1508439340).

2011252444 is a wasteful number, since it uses less digits than its factorization.

2011252444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502813115 (or 502813113 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 2011252444 is about 44846.9892411966. The cubic root of 2011252444 is about 1262.2794975358.

Adding to 2011252444 its reverse (4442521102), we get a palindrome (6453773546).

The spelling of 2011252444 in words is "two billion, eleven million, two hundred fifty-two thousand, four hundred forty-four".