518900854940 has 36 divisors (see below), whose sum is σ = 1179962129304. Its totient is φ = 191594160576.

The previous prime is 518900854937. The next prime is 518900854943. The reversal of 518900854940 is 49458009815.

It is an interprime number because it is at equal distance from previous prime (518900854937) and next prime (518900854943).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (518900854943) 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 11 ways as a sum of consecutive naturals, for example, 76757102 + ... + 76763861.

It is an arithmetic number, because the mean of its divisors is an integer number (32776725814).

Almost surely, 2^518900854940 is an apocalyptic number.

It is an amenable number.

518900854940 is an abundant number, since it is smaller than the sum of its proper divisors (661061274364).

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

518900854940 is a wasteful number, since it uses less digits than its factorization.

518900854940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153520998 (or 153520983 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 53.

The spelling of 518900854940 in words is "five hundred eighteen billion, nine hundred million, eight hundred fifty-four thousand, nine hundred forty".