1080749280 has 384 divisors, whose sum is σ = 3912523776. Its totient is φ = 248832000.

The previous prime is 1080749269. The next prime is 1080749281. The reversal of 1080749280 is 829470801.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1080749281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7157205 + ... + 7157355.

It is an arithmetic number, because the mean of its divisors is an integer number (10188864).

Almost surely, 2^1080749280 is an apocalyptic number.

1080749280 is a gapful number since it is divisible by the number (10) 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 1080749280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1956261888).

1080749280 is an abundant number, since it is smaller than the sum of its proper divisors (2831774496).

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

1080749280 is a wasteful number, since it uses less digits than its factorization.

1080749280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250 (or 242 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 39.

The square root of 1080749280 is about 32874.7514059042. The cubic root of 1080749280 is about 1026.2227818190. Note that the first 3 decimals are identical.

The spelling of 1080749280 in words is "one billion, eighty million, seven hundred forty-nine thousand, two hundred eighty".