1050440013 has 24 divisors (see below), whose sum is σ = 1836065088. Its totient is φ = 564941952.

The previous prime is 1050439981. The next prime is 1050440021. The reversal of 1050440013 is 3100440501.

It is a happy number.

It is not a de Polignac number, because 1050440013 - 2⁵ = 1050439981 is a prime.

It is a super-2 number, since 2×1050440013² = 2206848441822880338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1050448013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 489331 + ... + 491472.

It is an arithmetic number, because the mean of its divisors is an integer number (76502712).

Almost surely, 2^1050440013 is an apocalyptic number.

It is an amenable number.

1050440013 is a deficient number, since it is larger than the sum of its proper divisors (785625075).

1050440013 is a wasteful number, since it uses less digits than its factorization.

1050440013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980833 (or 980830 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1050440013 is about 32410.4923288740. The cubic root of 1050440013 is about 1016.5383140063.

Adding to 1050440013 its reverse (3100440501), we get a palindrome (4150880514).

The spelling of 1050440013 in words is "one billion, fifty million, four hundred forty thousand, thirteen".