1118274472 has 48 divisors (see below), whose sum is σ = 2452724820. Its totient is φ = 476582400.

The previous prime is 1118274457. The next prime is 1118274473. The reversal of 1118274472 is 2744728111.

It can be written as a sum of positive squares in 2 ways, for example, as 1037741796 + 80532676 = 32214^2 + 8974^2 .

It is a super-3 number, since 3×1118274472³ (a number of 28 digits) contains 333 as substring.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1118274473) 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 11 ways as a sum of consecutive naturals, for example, 63072 + ... + 78832.

Almost surely, 2^1118274472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1118274472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1226362410).

1118274472 is an abundant number, since it is smaller than the sum of its proper divisors (1334450348).

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

1118274472 is a wasteful number, since it uses less digits than its factorization.

1118274472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15962 (or 15951 counting only the distinct ones).

The product of its digits is 25088, while the sum is 37.

The square root of 1118274472 is about 33440.6111188178. The cubic root of 1118274472 is about 1037.9652251793.

The spelling of 1118274472 in words is "one billion, one hundred eighteen million, two hundred seventy-four thousand, four hundred seventy-two".