6040042 has 4 divisors (see below), whose sum is σ = 9060066. Its totient is φ = 3020020.

The previous prime is 6040019. The next prime is 6040061. The reversal of 6040042 is 2400406.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 5669161 + 370881 = 2381^2 + 609^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6039998 and 6040025.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1510009 + ... + 1510012.

Almost surely, 2^6040042 is an apocalyptic number.

6040042 is a deficient number, since it is larger than the sum of its proper divisors (3020024).

6040042 is a wasteful number, since it uses less digits than its factorization.

6040042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3020023.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 6040042 is about 2457.6496902529. The cubic root of 6040042 is about 182.1153919445.

Adding to 6040042 its reverse (2400406), we get a palindrome (8440448).

The spelling of 6040042 in words is "six million, forty thousand, forty-two", and thus it is an eban number.