1052440445 has 16 divisors (see below), whose sum is σ = 1444124928. Its totient is φ = 721284480.

The previous prime is 1052440423. The next prime is 1052440447. The reversal of 1052440445 is 5440442501.

It is not a de Polignac number, because 1052440445 - 2¹⁶ = 1052374909 is a prime.

It is a super-2 number, since 2×1052440445² = 2215261780543596050, which contains 22 as substring.

It is a Duffinian number.

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 pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67760 + ... + 81830.

It is an arithmetic number, because the mean of its divisors is an integer number (90257808).

Almost surely, 2^1052440445 is an apocalyptic number.

It is an amenable number.

1052440445 is a deficient number, since it is larger than the sum of its proper divisors (391684483).

1052440445 is a wasteful number, since it uses less digits than its factorization.

1052440445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16220.

The product of its (nonzero) digits is 12800, while the sum is 29.

The square root of 1052440445 is about 32441.3385204742. The cubic root of 1052440445 is about 1017.1831949617.

Adding to 1052440445 its reverse (5440442501), we get a palindrome (6492882946).

The spelling of 1052440445 in words is "one billion, fifty-two million, four hundred forty thousand, four hundred forty-five".