4042056 has 32 divisors (see below), whose sum is σ = 10700640. Its totient is φ = 1267968.

The previous prime is 4042037. The next prime is 4042057. The reversal of 4042056 is 6502404.

It is a happy number.

4042056 is nontrivially palindromic in base 7.

It is not an unprimeable number, because it can be changed into a prime (4042057) 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, 4546 + ... + 5361.

It is an arithmetic number, because the mean of its divisors is an integer number (334395).

Almost surely, 2^4042056 is an apocalyptic number.

It is an amenable number.

4042056 is an abundant number, since it is smaller than the sum of its proper divisors (6658584).

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

4042056 is a wasteful number, since it uses less digits than its factorization.

4042056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9933 (or 9929 counting only the distinct ones).

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

The square root of 4042056 is about 2010.4865082860. The cubic root of 4042056 is about 159.2944979064.

The spelling of 4042056 in words is "four million, forty-two thousand, fifty-six", and thus it is an eban number.