1818448485306 has 32 divisors (see below), whose sum is σ = 3795089113728. Its totient is φ = 579785057280.

The previous prime is 1818448485281. The next prime is 1818448485331. The reversal of 1818448485306 is 6035848448181.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1818448485281) and next prime (1818448485331).

It is a self number, because there is not a number n which added to its sum of digits gives 1818448485306.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15081450 + ... + 15201546.

It is an arithmetic number, because the mean of its divisors is an integer number (118596534804).

Almost surely, 2^{1818448485306} is an apocalyptic number.

1818448485306 is an abundant number, since it is smaller than the sum of its proper divisors (1976640628422).

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

1818448485306 is a wasteful number, since it uses less digits than its factorization.

1818448485306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229846.

The product of its (nonzero) digits is 23592960, while the sum is 60.

The spelling of 1818448485306 in words is "one trillion, eight hundred eighteen billion, four hundred forty-eight million, four hundred eighty-five thousand, three hundred six".