518028639900 has 36 divisors (see below), whose sum is σ = 1498829532312. Its totient is φ = 138140970560.

The previous prime is 518028639859. The next prime is 518028639923. The reversal of 518028639900 is 9936820815.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 863380767 + ... + 863381366.

Almost surely, 2^518028639900 is an apocalyptic number.

518028639900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

518028639900 is an abundant number, since it is smaller than the sum of its proper divisors (980800892412).

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

518028639900 is a wasteful number, since it uses less digits than its factorization.

518028639900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1726762150 (or 1726762143 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 51.

The spelling of 518028639900 in words is "five hundred eighteen billion, twenty-eight million, six hundred thirty-nine thousand, nine hundred".