1181473344 has 224 divisors, whose sum is σ = 3780495360. Its totient is φ = 360308736.

The previous prime is 1181473313. The next prime is 1181473373. The reversal of 1181473344 is 4433741811.

1181473344 is a `hidden beast` number, since 1 + 181 + 473 + 3 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1181473299 and 1181473308.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1086369 + ... + 1087455.

Almost surely, 2^1181473344 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 1181473344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1890247680).

1181473344 is an abundant number, since it is smaller than the sum of its proper divisors (2599022016).

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

1181473344 is a wasteful number, since it uses less digits than its factorization.

1181473344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1162 (or 1146 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 1181473344 is about 34372.5667356978. The cubic root of 1181473344 is about 1057.1614287600.

It can be divided in two parts, 11814 and 73344, that added together give a palindrome (85158).

The spelling of 1181473344 in words is "one billion, one hundred eighty-one million, four hundred seventy-three thousand, three hundred forty-four".