1218448410 has 16 divisors (see below), whose sum is σ = 2924276256. Its totient is φ = 324919568.

The previous prime is 1218448409. The next prime is 1218448417. The reversal of 1218448410 is 148448121.

It is not an unprimeable number, because it can be changed into a prime (1218448417) 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, 20307444 + ... + 20307503.

It is an arithmetic number, because the mean of its divisors is an integer number (182767266).

Almost surely, 2^1218448410 is an apocalyptic number.

1218448410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1218448410 is an abundant number, since it is smaller than the sum of its proper divisors (1705827846).

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

1218448410 is a wasteful number, since it uses less digits than its factorization.

1218448410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40614957.

The product of its (nonzero) digits is 8192, while the sum is 33.

The square root of 1218448410 is about 34906.2803804702. The cubic root of 1218448410 is about 1068.0765543604.

The spelling of 1218448410 in words is "one billion, two hundred eighteen million, four hundred forty-eight thousand, four hundred ten".