518442573078 has 12 divisors (see below), whose sum is σ = 1123292241708. Its totient is φ = 172814191020.

The previous prime is 518442573071. The next prime is 518442573091. The reversal of 518442573078 is 870375244815.

518442573078 is a `hidden beast` number, since 5 + 1 + 84 + 4 + 257 + 307 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (518442573071) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14401182568 + ... + 14401182603.

It is an arithmetic number, because the mean of its divisors is an integer number (93607686809).

Almost surely, 2^518442573078 is an apocalyptic number.

518442573078 is an abundant number, since it is smaller than the sum of its proper divisors (604849668630).

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

518442573078 is a wasteful number, since it uses less digits than its factorization.

518442573078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28802365179 (or 28802365176 counting only the distinct ones).

The product of its (nonzero) digits is 7526400, while the sum is 54.

The spelling of 518442573078 in words is "five hundred eighteen billion, four hundred forty-two million, five hundred seventy-three thousand, seventy-eight".