1118744180 has 12 divisors (see below), whose sum is σ = 2349362820. Its totient is φ = 447497664.

The previous prime is 1118744153. The next prime is 1118744233. The reversal of 1118744180 is 814478111.

It can be written as a sum of positive squares in 2 ways, for example, as 167391844 + 951352336 = 12938^2 + 30844^2 .

It is a super-3 number, since 3×1118744180³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1118744180.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27968585 + ... + 27968624.

It is an arithmetic number, because the mean of its divisors is an integer number (195780235).

Almost surely, 2^1118744180 is an apocalyptic number.

1118744180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1118744180 is an abundant number, since it is smaller than the sum of its proper divisors (1230618640).

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

1118744180 is a wasteful number, since it uses less digits than its factorization.

1118744180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55937218 (or 55937216 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 35.

The square root of 1118744180 is about 33447.6333990912. The cubic root of 1118744180 is about 1038.1105300926.

The spelling of 1118744180 in words is "one billion, one hundred eighteen million, seven hundred forty-four thousand, one hundred eighty".