1107989280 has 480 divisors, whose sum is σ = 4267904256. Its totient is φ = 269623296.

The previous prime is 1107989269. The next prime is 1107989287. The reversal of 1107989280 is 829897011.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (1107989287) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 10354987 + ... + 10355093.

Almost surely, 2^1107989280 is an apocalyptic number.

1107989280 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 1107989280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2133952128).

1107989280 is an abundant number, since it is smaller than the sum of its proper divisors (3159914976).

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

1107989280 is a wasteful number, since it uses less digits than its factorization.

1107989280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198 (or 181 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 45.

The square root of 1107989280 is about 33286.4729282031. The cubic root of 1107989280 is about 1034.7732332432.

The spelling of 1107989280 in words is "one billion, one hundred seven million, nine hundred eighty-nine thousand, two hundred eighty".