1052440444 has 24 divisors (see below), whose sum is σ = 2027991168. Its totient is φ = 473909040.

The previous prime is 1052440423. The next prime is 1052440447. The reversal of 1052440444 is 4440442501.

It is a super-2 number, since 2×1052440444² = 2215261776333834272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1052440447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107064 + ... + 116479.

It is an arithmetic number, because the mean of its divisors is an integer number (84499632).

Almost surely, 2^1052440444 is an apocalyptic number.

It is an amenable number.

1052440444 is a deficient number, since it is larger than the sum of its proper divisors (975550724).

1052440444 is a wasteful number, since it uses less digits than its factorization.

1052440444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223665 (or 223663 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 28.

The square root of 1052440444 is about 32441.3385050617. The cubic root of 1052440444 is about 1017.1831946395.

Adding to 1052440444 its reverse (4440442501), we get a palindrome (5492882945).

The spelling of 1052440444 in words is "one billion, fifty-two million, four hundred forty thousand, four hundred forty-four".