6442052236 has 12 divisors (see below), whose sum is σ = 11275088328. Its totient is φ = 3220598432.

The previous prime is 6442052219. The next prime is 6442052249. The reversal of 6442052236 is 6322502446.

It is a super-2 number, since 2×6442052236² = 83000074022705199392, which contains 22 as substring.

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, 71746 + ... + 134281.

It is an arithmetic number, because the mean of its divisors is an integer number (939590694).

Almost surely, 2^6442052236 is an apocalyptic number.

It is an amenable number.

6442052236 is a deficient number, since it is larger than the sum of its proper divisors (4833036092).

6442052236 is a wasteful number, since it uses less digits than its factorization.

6442052236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213848 (or 213846 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 34.

The square root of 6442052236 is about 80262.3961516226. The cubic root of 6442052236 is about 1860.6931008496.

The spelling of 6442052236 in words is "six billion, four hundred forty-two million, fifty-two thousand, two hundred thirty-six".