1020044144 has 80 divisors (see below), whose sum is σ = 2344939200. Its totient is φ = 420575232.

The previous prime is 1020044131. The next prime is 1020044159. The reversal of 1020044144 is 4414400201.

It is a happy number.

1020044144 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 an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1652924 + ... + 1653540.

It is an arithmetic number, because the mean of its divisors is an integer number (29311740).

Almost surely, 2^1020044144 is an apocalyptic number.

1020044144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1020044144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1172469600).

1020044144 is an abundant number, since it is smaller than the sum of its proper divisors (1324895056).

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

1020044144 is a wasteful number, since it uses less digits than its factorization.

1020044144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1170 (or 1164 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 1020044144 is about 31938.1299389930. The cubic root of 1020044144 is about 1006.6372310346.

Adding to 1020044144 its reverse (4414400201), we get a palindrome (5434444345).

The spelling of 1020044144 in words is "one billion, twenty million, forty-four thousand, one hundred forty-four".