1818848944 has 20 divisors (see below), whose sum is σ = 3844385640. Its totient is φ = 826749440.

The previous prime is 1818848939. The next prime is 1818848951. The reversal of 1818848944 is 4498488181.

It is a super-2 number, since 2×1818848944² = 6616422962179830272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5167009 + ... + 5167360.

It is an arithmetic number, because the mean of its divisors is an integer number (192219282).

Almost surely, 2^1818848944 is an apocalyptic number.

It is an amenable number.

1818848944 is an abundant number, since it is smaller than the sum of its proper divisors (2025536696).

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

1818848944 is a wasteful number, since it uses less digits than its factorization.

1818848944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10334388 (or 10334382 counting only the distinct ones).

The product of its digits is 2359296, while the sum is 55.

The square root of 1818848944 is about 42647.9652973035. The cubic root of 1818848944 is about 1220.6717039227.

The spelling of 1818848944 in words is "one billion, eight hundred eighteen million, eight hundred forty-eight thousand, nine hundred forty-four".