5181423042 has 16 divisors (see below), whose sum is σ = 10385527392. Its totient is φ = 1723360800.

The previous prime is 5181423031. The next prime is 5181423043. The reversal of 5181423042 is 2403241815.

It is not an unprimeable number, because it can be changed into a prime (5181423043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 942084 + ... + 947567.

It is an arithmetic number, because the mean of its divisors is an integer number (649095462).

Almost surely, 2^5181423042 is an apocalyptic number.

5181423042 is an abundant number, since it is smaller than the sum of its proper divisors (5204104350).

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

5181423042 is a wasteful number, since it uses less digits than its factorization.

5181423042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1890113.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 5181423042 is about 71982.1022338192. The cubic root of 5181423042 is about 1730.4126608674.

Adding to 5181423042 its reverse (2403241815), we get a palindrome (7584664857).

The spelling of 5181423042 in words is "five billion, one hundred eighty-one million, four hundred twenty-three thousand, forty-two".