4040156 has 12 divisors (see below), whose sum is σ = 7118160. Its totient is φ = 2006400.

The previous prime is 4040129. The next prime is 4040159. The reversal of 4040156 is 6510404.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4040159) 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, 2741 + ... + 3948.

It is an arithmetic number, because the mean of its divisors is an integer number (593180).

Almost surely, 2^4040156 is an apocalyptic number.

It is an amenable number.

4040156 is a deficient number, since it is larger than the sum of its proper divisors (3078004).

4040156 is a wasteful number, since it uses less digits than its factorization.

4040156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6844 (or 6842 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 4040156 is about 2010.0139303000. The cubic root of 4040156 is about 159.2695347869.

The spelling of 4040156 in words is "four million, forty thousand, one hundred fifty-six".