218485048 has 16 divisors (see below), whose sum is σ = 413286480. Its totient is φ = 108275328.

The previous prime is 218485013. The next prime is 218485063. The reversal of 218485048 is 840584812.

It is a self number, because there is not a number n which added to its sum of digits gives 218485048.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119940 + ... + 121747.

It is an arithmetic number, because the mean of its divisors is an integer number (25830405).

Almost surely, 2^218485048 is an apocalyptic number.

It is an amenable number.

218485048 is a deficient number, since it is larger than the sum of its proper divisors (194801432).

218485048 is a wasteful number, since it uses less digits than its factorization.

218485048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241806 (or 241802 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 40.

The square root of 218485048 is about 14781.2397314975. The cubic root of 218485048 is about 602.2922022337.

It can be divided in two parts, 21848 and 5048, that added together give a square (26896 = 164²).

The spelling of 218485048 in words is "two hundred eighteen million, four hundred eighty-five thousand, forty-eight".