5540042 has 8 divisors (see below), whose sum is σ = 8328096. Its totient is φ = 2764012.

The previous prime is 5540027. The next prime is 5540057. The reversal of 5540042 is 2400455.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5540027) and next prime (5540057).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 5539996 and 5540023.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1748 + ... + 3759.

It is an arithmetic number, because the mean of its divisors is an integer number (1041012).

Almost surely, 2^5540042 is an apocalyptic number.

5540042 is a deficient number, since it is larger than the sum of its proper divisors (2788054).

5540042 is a wasteful number, since it uses less digits than its factorization.

5540042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6012.

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 5540042 is about 2353.7293812161. The cubic root of 5540042 is about 176.9447517142.

Adding to 5540042 its reverse (2400455), we get a palindrome (7940497).

The spelling of 5540042 in words is "five million, five hundred forty thousand, forty-two".