518126368 has 12 divisors (see below), whose sum is σ = 1020061350. Its totient is φ = 259063168.

The previous prime is 518126363. The next prime is 518126381. The reversal of 518126368 is 863621815.

It can be written as a sum of positive squares in only one way, i.e., 462594064 + 55532304 = 21508^2 + 7452^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 518126368.

It is not an unprimeable number, because it can be changed into a prime (518126363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8095693 + ... + 8095756.

Almost surely, 2^518126368 is an apocalyptic number.

It is an amenable number.

518126368 is a deficient number, since it is larger than the sum of its proper divisors (501934982).

518126368 is a wasteful number, since it uses less digits than its factorization.

518126368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16191459 (or 16191451 counting only the distinct ones).

The product of its digits is 69120, while the sum is 40.

The square root of 518126368 is about 22762.3893297694. The cubic root of 518126368 is about 803.1781739597.

The spelling of 518126368 in words is "five hundred eighteen million, one hundred twenty-six thousand, three hundred sixty-eight".