4057042 has 16 divisors (see below), whose sum is σ = 6868800. Its totient is φ = 1780240.

The previous prime is 4057021. The next prime is 4057043. The reversal of 4057042 is 2407504.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (4057043) 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, 2542 + ... + 3817.

It is an arithmetic number, because the mean of its divisors is an integer number (429300).

Almost surely, 2^4057042 is an apocalyptic number.

4057042 is a deficient number, since it is larger than the sum of its proper divisors (2811758).

4057042 is a wasteful number, since it uses less digits than its factorization.

4057042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6401.

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 4057042 is about 2014.2100188411. The cubic root of 4057042 is about 159.4911175827.

It can be divided in two parts, 405 and 7042, that added together give a palindrome (7447).

The spelling of 4057042 in words is "four million, fifty-seven thousand, forty-two".