1156834432 has 64 divisors (see below), whose sum is σ = 2495215800. Its totient is φ = 531062784.

The previous prime is 1156834429. The next prime is 1156834433. The reversal of 1156834432 is 2344386511.

It can be written as a sum of positive squares in 4 ways, for example, as 887086656 + 269747776 = 29784^2 + 16424^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 1156834391 and 1156834400.

It is not an unprimeable number, because it can be changed into a prime (1156834433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326044 + ... + 329572.

Almost surely, 2^1156834432 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 1156834432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1247607900).

1156834432 is an abundant number, since it is smaller than the sum of its proper divisors (1338381368).

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

1156834432 is a wasteful number, since it uses less digits than its factorization.

1156834432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3753 (or 3741 counting only the distinct ones).

The product of its digits is 69120, while the sum is 37.

The square root of 1156834432 is about 34012.2688452270. The cubic root of 1156834432 is about 1049.7609227411.

The spelling of 1156834432 in words is "one billion, one hundred fifty-six million, eight hundred thirty-four thousand, four hundred thirty-two".