5249442018 has 64 divisors (see below), whose sum is σ = 11470896000. Its totient is φ = 1595188224.

The previous prime is 5249442017. The next prime is 5249442031. The reversal of 5249442018 is 8102449425.

It is not an unprimeable number, because it can be changed into a prime (5249442017) 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, 1045498 + ... + 1050506.

It is an arithmetic number, because the mean of its divisors is an integer number (179232750).

Almost surely, 2^5249442018 is an apocalyptic number.

5249442018 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

5249442018 is an abundant number, since it is smaller than the sum of its proper divisors (6221453982).

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

5249442018 is a wasteful number, since it uses less digits than its factorization.

5249442018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5379.

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 5249442018 is about 72453.0331870240. The cubic root of 5249442018 is about 1737.9517469189.

The spelling of 5249442018 in words is "five billion, two hundred forty-nine million, four hundred forty-two thousand, eighteen".