1158820224 has 128 divisors (see below), whose sum is σ = 3234297600. Its totient is φ = 366913536.

The previous prime is 1158820219. The next prime is 1158820231. The reversal of 1158820224 is 4220288511.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1580562 + ... + 1581294.

It is an arithmetic number, because the mean of its divisors is an integer number (25267950).

Almost surely, 2^1158820224 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 1158820224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1617148800).

1158820224 is an abundant number, since it is smaller than the sum of its proper divisors (2075477376).

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

1158820224 is a wasteful number, since it uses less digits than its factorization.

1158820224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952 (or 940 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 33.

The square root of 1158820224 is about 34041.4486178247. The cubic root of 1158820224 is about 1050.3612435035.

The spelling of 1158820224 in words is "one billion, one hundred fifty-eight million, eight hundred twenty thousand, two hundred twenty-four".