518266045400 has 24 divisors (see below), whose sum is σ = 1204968556020. Its totient is φ = 207306418080.

The previous prime is 518266045393. The next prime is 518266045441. The reversal of 518266045400 is 4540662815.

It is a super-2 number, since 2×518266045400² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1295664914 + ... + 1295665313.

Almost surely, 2^518266045400 is an apocalyptic number.

518266045400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

518266045400 is an abundant number, since it is smaller than the sum of its proper divisors (686702510620).

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

518266045400 is a wasteful number, since it uses less digits than its factorization.

518266045400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2591330243 (or 2591330234 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 41.

The spelling of 518266045400 in words is "five hundred eighteen billion, two hundred sixty-six million, forty-five thousand, four hundred".