4042156 has 24 divisors (see below), whose sum is σ = 7293440. Its totient is φ = 1959552.

The previous prime is 4042153. The next prime is 4042163. The reversal of 4042156 is 6512404.

4042156 = T₇₃ + T₇₄ + ... + T₂₉₀.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4042153) 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, 31765 + ... + 31891.

Almost surely, 2^4042156 is an apocalyptic number.

It is an amenable number.

4042156 is a deficient number, since it is larger than the sum of its proper divisors (3251284).

4042156 is a wasteful number, since it uses less digits than its factorization.

4042156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313 (or 311 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 4042156 is about 2010.5113777345. The cubic root of 4042156 is about 159.2958115381.

The spelling of 4042156 in words is "four million, forty-two thousand, one hundred fifty-six".