1018488944 has 120 divisors (see below), whose sum is σ = 2297665440. Its totient is φ = 436142080.

The previous prime is 1018488943. The next prime is 1018488959. The reversal of 1018488944 is 4498848101.

1018488944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1018488943) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3962864 + ... + 3963120.

It is an arithmetic number, because the mean of its divisors is an integer number (19147212).

Almost surely, 2^1018488944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1018488944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1148832720).

1018488944 is an abundant number, since it is smaller than the sum of its proper divisors (1279176496).

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

1018488944 is a wasteful number, since it uses less digits than its factorization.

1018488944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399 (or 382 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 47.

The square root of 1018488944 is about 31913.7735781903. The cubic root of 1018488944 is about 1006.1253843906.

The spelling of 1018488944 in words is "one billion, eighteen million, four hundred eighty-eight thousand, nine hundred forty-four".