1018181818224 has 50 divisors (see below), whose sum is σ = 2946913584120. Its totient is φ = 339393938976.

The previous prime is 1018181818207. The next prime is 1018181818249. The reversal of 1018181818224 is 4228181818101.

1018181818224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1018181818224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 392815764 + ... + 392818355.

Almost surely, 2^{1018181818224} is an apocalyptic number.

It is an amenable number.

1018181818224 is an abundant number, since it is smaller than the sum of its proper divisors (1928731765896).

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

1018181818224 is an equidigital number, since it uses as much as digits as its factorization.

1018181818224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785634139 (or 785634124 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 45.

The spelling of 1018181818224 in words is "one trillion, eighteen billion, one hundred eighty-one million, eight hundred eighteen thousand, two hundred twenty-four".