1108839280 has 160 divisors (see below), whose sum is σ = 2844889344. Its totient is φ = 400232448.

The previous prime is 1108839239. The next prime is 1108839283. The reversal of 1108839280 is 829388011.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1108839283) 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 31 ways as a sum of consecutive naturals, for example, 3918019 + ... + 3918301.

Almost surely, 2^1108839280 is an apocalyptic number.

1108839280 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 1108839280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1422444672).

1108839280 is an abundant number, since it is smaller than the sum of its proper divisors (1736050064).

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

1108839280 is a wasteful number, since it uses less digits than its factorization.

1108839280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423 (or 417 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 40.

The square root of 1108839280 is about 33299.2384297299. The cubic root of 1108839280 is about 1035.0377762434.

The spelling of 1108839280 in words is "one billion, one hundred eight million, eight hundred thirty-nine thousand, two hundred eighty".