1218054480 has 160 divisors (see below), whose sum is σ = 3972602880. Its totient is φ = 308305920.

The previous prime is 1218054457. The next prime is 1218054521. The reversal of 1218054480 is 844508121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 392776 + ... + 395864.

It is an arithmetic number, because the mean of its divisors is an integer number (24828768).

Almost surely, 2^1218054480 is an apocalyptic number.

1218054480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1218054480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1986301440).

1218054480 is an abundant number, since it is smaller than the sum of its proper divisors (2754548400).

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

1218054480 is a wasteful number, since it uses less digits than its factorization.

1218054480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3189 (or 3183 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 33.

The square root of 1218054480 is about 34900.6372434659. The cubic root of 1218054480 is about 1067.9614372587.

The spelling of 1218054480 in words is "one billion, two hundred eighteen million, fifty-four thousand, four hundred eighty".