218104430744 has 32 divisors (see below), whose sum is σ = 414606658320. Its totient is φ = 107543079936.

The previous prime is 218104430693. The next prime is 218104430759. The reversal of 218104430744 is 447034401812.

It is a happy number.

It is a super-3 number, since 3×218104430744³ (a number of 35 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 218104430698 and 218104430707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4861664 + ... + 4906320.

Almost surely, 2^218104430744 is an apocalyptic number.

It is an amenable number.

218104430744 is a deficient number, since it is larger than the sum of its proper divisors (196502227576).

218104430744 is a wasteful number, since it uses less digits than its factorization.

218104430744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53099 (or 53095 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 38.

The spelling of 218104430744 in words is "two hundred eighteen billion, one hundred four million, four hundred thirty thousand, seven hundred forty-four".