1218514048 has 64 divisors (see below), whose sum is σ = 2496225600. Its totient is φ = 592155648.

The previous prime is 1218514027. The next prime is 1218514051. The reversal of 1218514048 is 8404158121.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

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, 1480165 + ... + 1480987.

It is an arithmetic number, because the mean of its divisors is an integer number (39003525).

Almost surely, 2^1218514048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1218514048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1248112800).

1218514048 is an abundant number, since it is smaller than the sum of its proper divisors (1277711552).

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

1218514048 is an equidigital number, since it uses as much as digits as its factorization.

1218514048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149 (or 1137 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 34.

The square root of 1218514048 is about 34907.2205711082. The cubic root of 1218514048 is about 1068.0957331645.

The spelling of 1218514048 in words is "one billion, two hundred eighteen million, five hundred fourteen thousand, forty-eight".