1118280260 has 12 divisors (see below), whose sum is σ = 2348388588. Its totient is φ = 447312096.

The previous prime is 1118280257. The next prime is 1118280271. The reversal of 1118280260 is 620828111.

It can be written as a sum of positive squares in 2 ways, for example, as 326308096 + 791972164 = 18064^2 + 28142^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 27956987 + ... + 27957026.

It is an arithmetic number, because the mean of its divisors is an integer number (195699049).

Almost surely, 2^1118280260 is an apocalyptic number.

1118280260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1118280260 is an abundant number, since it is smaller than the sum of its proper divisors (1230108328).

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

1118280260 is a wasteful number, since it uses less digits than its factorization.

1118280260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55914022 (or 55914020 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 29.

The square root of 1118280260 is about 33440.6976601865. The cubic root of 1118280260 is about 1037.9670159539.

The spelling of 1118280260 in words is "one billion, one hundred eighteen million, two hundred eighty thousand, two hundred sixty".