1218044704 has 24 divisors (see below), whose sum is σ = 2524238640. Its totient is φ = 576968256.

The previous prime is 1218044693. The next prime is 1218044743. The reversal of 1218044704 is 4074408121.

It is a happy 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, 1001074 + ... + 1002289.

It is an arithmetic number, because the mean of its divisors is an integer number (105176610).

Almost surely, 2^1218044704 is an apocalyptic number.

It is an amenable number.

1218044704 is an abundant number, since it is smaller than the sum of its proper divisors (1306193936).

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

1218044704 is a wasteful number, since it uses less digits than its factorization.

1218044704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2003392 (or 2003384 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 1218044704 is about 34900.4971884356. The cubic root of 1218044704 is about 1067.9585801290.

The spelling of 1218044704 in words is "one billion, two hundred eighteen million, forty-four thousand, seven hundred four".