1149718528 has 52 divisors (see below), whose sum is σ = 2627672800. Its totient is φ = 492724224.

The previous prime is 1149718523. The next prime is 1149718553. The reversal of 1149718528 is 8258179411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149718523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8623 + ... + 48721.

Almost surely, 2^1149718528 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 1149718528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1313836400).

1149718528 is an abundant number, since it is smaller than the sum of its proper divisors (1477954272).

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

1149718528 is an frugal number, since it uses more digits than its factorization.

1149718528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40130 (or 40108 counting only the distinct ones).

The product of its digits is 161280, while the sum is 46.

The square root of 1149718528 is about 33907.4995834255. The cubic root of 1149718528 is about 1047.6040693060.

The spelling of 1149718528 in words is "one billion, one hundred forty-nine million, seven hundred eighteen thousand, five hundred twenty-eight".