6442256 has 40 divisors (see below), whose sum is σ = 13017024. Its totient is φ = 3086720.

The previous prime is 6442237. The next prime is 6442259. The reversal of 6442256 is 6522446.

It is a pancake number, because a pancake can be divided into 6442256 parts by 3589 straight cuts.

It is not an unprimeable number, because it can be changed into a prime (6442259) 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, 60155 + ... + 60261.

Almost surely, 2^6442256 is an apocalyptic number.

It is an amenable number.

6442256 is an abundant number, since it is smaller than the sum of its proper divisors (6574768).

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

6442256 is a wasteful number, since it uses less digits than its factorization.

6442256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239 (or 233 counting only the distinct ones).

The product of its digits is 11520, while the sum is 29.

The square root of 6442256 is about 2538.1599634381. The cubic root of 6442256 is about 186.0712718732.

The spelling of 6442256 in words is "six million, four hundred forty-two thousand, two hundred fifty-six".