1018423026444 has 24 divisors (see below), whose sum is σ = 2376336872448. Its totient is φ = 339471988240.

The previous prime is 1018423026443. The next prime is 1018423026547. The reversal of 1018423026444 is 4446203248101.

It is not an unprimeable number, because it can be changed into a prime (1018423026443) 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, 2867149 + ... + 3202715.

It is an arithmetic number, because the mean of its divisors is an integer number (99014036352).

Almost surely, 2^{1018423026444} is an apocalyptic number.

It is an amenable number.

1018423026444 is an abundant number, since it is smaller than the sum of its proper divisors (1357913846004).

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

1018423026444 is a wasteful number, since it uses less digits than its factorization.

1018423026444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588485 (or 588483 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 39.

The spelling of 1018423026444 in words is "one trillion, eighteen billion, four hundred twenty-three million, twenty-six thousand, four hundred forty-four".