518957742 has 16 divisors (see below), whose sum is σ = 1098969552. Its totient is φ = 162810240.

The previous prime is 518957741. The next prime is 518957753. The reversal of 518957742 is 247759815.

It is a junction number, because it is equal to n+sod(n) for n = 518957691 and 518957700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (518957741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2543809 + ... + 2544012.

It is an arithmetic number, because the mean of its divisors is an integer number (68685597).

Almost surely, 2^518957742 is an apocalyptic number.

518957742 is an abundant number, since it is smaller than the sum of its proper divisors (580011810).

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

518957742 is a wasteful number, since it uses less digits than its factorization.

518957742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5087843.

The product of its digits is 705600, while the sum is 48.

The square root of 518957742 is about 22780.6440207471. The cubic root of 518957742 is about 803.6075316497.

The spelling of 518957742 in words is "five hundred eighteen million, nine hundred fifty-seven thousand, seven hundred forty-two".