1080440064 has 216 divisors, whose sum is σ = 3443731200. Its totient is φ = 323051520.

The previous prime is 1080440047. The next prime is 1080440069. The reversal of 1080440064 is 4600440801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1080440069) 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, 2255377 + ... + 2255855.

It is an arithmetic number, because the mean of its divisors is an integer number (15943200).

Almost surely, 2^1080440064 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 1080440064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1721865600).

1080440064 is an abundant number, since it is smaller than the sum of its proper divisors (2363291136).

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

1080440064 is a wasteful number, since it uses less digits than its factorization.

1080440064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601 (or 584 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 1080440064 is about 32870.0481289578. The cubic root of 1080440064 is about 1026.1249007231.

Adding to 1080440064 its reverse (4600440801), we get a palindrome (5680880865).

It can be divided in two parts, 1080 and 440064, that added together give a palindrome (441144).

The spelling of 1080440064 in words is "one billion, eighty million, four hundred forty thousand, sixty-four".