1153447344 has 160 divisors (see below), whose sum is σ = 3840944640. Its totient is φ = 324580608.

The previous prime is 1153447313. The next prime is 1153447357. The reversal of 1153447344 is 4437443511.

1153447344 is a `hidden beast` number, since 11 + 534 + 4 + 73 + 44 = 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 = 1153447299 and 1153447308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 199762 + ... + 205454.

It is an arithmetic number, because the mean of its divisors is an integer number (24005904).

Almost surely, 2^1153447344 is an apocalyptic number.

1153447344 is a gapful number since it is divisible by the number (14) 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 1153447344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1920472320).

1153447344 is an abundant number, since it is smaller than the sum of its proper divisors (2687497296).

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

1153447344 is a wasteful number, since it uses less digits than its factorization.

1153447344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5784 (or 5772 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 1153447344 is about 33962.4401950154. The cubic root of 1153447344 is about 1048.7353918173.

The spelling of 1153447344 in words is "one billion, one hundred fifty-three million, four hundred forty-seven thousand, three hundred forty-four".