42766256 has 20 divisors (see below), whose sum is σ = 89233872. Its totient is φ = 19738176.

The previous prime is 42766253. The next prime is 42766261. The reversal of 42766256 is 65266724.

It is not an unprimeable number, because it can be changed into a prime (42766253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102596 + ... + 103011.

Almost surely, 2^42766256 is an apocalyptic number.

It is an amenable number.

42766256 is an abundant number, since it is smaller than the sum of its proper divisors (46467616).

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

42766256 is a wasteful number, since it uses less digits than its factorization.

42766256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205628 (or 205622 counting only the distinct ones).

The product of its digits is 120960, while the sum is 38.

The square root of 42766256 is about 6539.5914245463. The cubic root of 42766256 is about 349.7038474403.

The spelling of 42766256 in words is "forty-two million, seven hundred sixty-six thousand, two hundred fifty-six".