1118449152 has 240 divisors, whose sum is σ = 3443270688. Its totient is φ = 348733440.

The previous prime is 1118449151. The next prime is 1118449169. The reversal of 1118449152 is 2519448111.

1118449152 is a `hidden beast` number, since 1 + 118 + 4 + 491 + 52 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1118449151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6464938 + ... + 6465110.

Almost surely, 2^1118449152 is an apocalyptic number.

1118449152 is a gapful number since it is divisible by the number (12) 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 1118449152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1721635344).

1118449152 is an abundant number, since it is smaller than the sum of its proper divisors (2324821536).

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

1118449152 is a wasteful number, since it uses less digits than its factorization.

1118449152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281 (or 262 counting only the distinct ones).

The product of its digits is 11520, while the sum is 36.

The square root of 1118449152 is about 33443.2228112065. Note that the first 3 decimals coincide. The cubic root of 1118449152 is about 1038.0192674651.

The spelling of 1118449152 in words is "one billion, one hundred eighteen million, four hundred forty-nine thousand, one hundred fifty-two".