218119039484 has 24 divisors (see below), whose sum is σ = 387906997968. Its totient is φ = 107292683520.

The previous prime is 218119039483. The next prime is 218119039487. The reversal of 218119039484 is 484930911812.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (218119039483) 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, 319277 + ... + 733604.

It is an arithmetic number, because the mean of its divisors is an integer number (16162791582).

Almost surely, 2^218119039484 is an apocalyptic number.

It is an amenable number.

218119039484 is a deficient number, since it is larger than the sum of its proper divisors (169787958484).

218119039484 is a wasteful number, since it uses less digits than its factorization.

218119039484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053725 (or 1053723 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 50.

The spelling of 218119039484 in words is "two hundred eighteen billion, one hundred nineteen million, thirty-nine thousand, four hundred eighty-four".