6440052 has 12 divisors (see below), whose sum is σ = 15026816. Its totient is φ = 2146680.

The previous prime is 6440041. The next prime is 6440089. The reversal of 6440052 is 2500446.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268324 + ... + 268347.

Almost surely, 2^6440052 is an apocalyptic number.

It is an amenable number.

6440052 is an abundant number, since it is smaller than the sum of its proper divisors (8586764).

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

6440052 is a wasteful number, since it uses less digits than its factorization.

6440052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536678 (or 536676 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 6440052 is about 2537.7257535045. The cubic root of 6440052 is about 186.0500501221.

Adding to 6440052 its reverse (2500446), we get a palindrome (8940498).

The spelling of 6440052 in words is "six million, four hundred forty thousand, fifty-two".