5040042 has 64 divisors (see below), whose sum is σ = 12288000. Its totient is φ = 1375920.

The previous prime is 5040037. The next prime is 5040043. The reversal of 5040042 is 2400405.

It is not an unprimeable number, because it can be changed into a prime (5040043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63759 + ... + 63837.

It is an arithmetic number, because the mean of its divisors is an integer number (192000).

Almost surely, 2^5040042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5040042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6144000).

5040042 is an abundant number, since it is smaller than the sum of its proper divisors (7247958).

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

5040042 is a wasteful number, since it uses less digits than its factorization.

5040042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136 (or 122 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 5040042 is about 2245.0037861883. The cubic root of 5040042 is about 171.4528539015.

Adding to 5040042 its reverse (2400405), we get a palindrome (7440447).

The spelling of 5040042 in words is "five million, forty thousand, forty-two".