518425558040 has 128 divisors (see below), whose sum is σ = 1277663224320. Its totient is φ = 188150169600.

The previous prime is 518425558039. The next prime is 518425558043. The reversal of 518425558040 is 40855524815.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (518425558043) 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 31 ways as a sum of consecutive naturals, for example, 53824025 + ... + 53833655.

It is an arithmetic number, because the mean of its divisors is an integer number (9981743940).

Almost surely, 2^518425558040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 518425558040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (638831612160).

518425558040 is an abundant number, since it is smaller than the sum of its proper divisors (759237666280).

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

518425558040 is a wasteful number, since it uses less digits than its factorization.

518425558040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11413 (or 11409 counting only the distinct ones).

The product of its (nonzero) digits is 1280000, while the sum is 47.

The spelling of 518425558040 in words is "five hundred eighteen billion, four hundred twenty-five million, five hundred fifty-eight thousand, forty".