218838458104 has 32 divisors (see below), whose sum is σ = 469032854400. Its totient is φ = 93769250400.

The previous prime is 218838458101. The next prime is 218838458173. The reversal of 218838458104 is 401854838812.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (218838458101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102922 + ... + 669529.

It is an arithmetic number, because the mean of its divisors is an integer number (14657276700).

Almost surely, 2^218838458104 is an apocalyptic number.

It is an amenable number.

218838458104 is an abundant number, since it is smaller than the sum of its proper divisors (250194396296).

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

218838458104 is a wasteful number, since it uses less digits than its factorization.

218838458104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 777523 (or 777519 counting only the distinct ones).

The product of its (nonzero) digits is 1966080, while the sum is 52.

The spelling of 218838458104 in words is "two hundred eighteen billion, eight hundred thirty-eight million, four hundred fifty-eight thousand, one hundred four".