1089429536 has 48 divisors (see below), whose sum is σ = 2327548608. Its totient is φ = 498950400.

The previous prime is 1089429533. The next prime is 1089429563. The reversal of 1089429536 is 6359249801.

It is not an unprimeable number, because it can be changed into a prime (1089429533) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 44501 + ... + 64491.

It is an arithmetic number, because the mean of its divisors is an integer number (48490596).

Almost surely, 2^1089429536 is an apocalyptic number.

1089429536 is a gapful number since it is divisible by the number (16) 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 1089429536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1163774304).

1089429536 is an abundant number, since it is smaller than the sum of its proper divisors (1238119072).

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

1089429536 is a wasteful number, since it uses less digits than its factorization.

1089429536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20145 (or 20137 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 1089429536 is about 33006.5074795865. The cubic root of 1089429536 is about 1028.9628974040.

The spelling of 1089429536 in words is "one billion, eighty-nine million, four hundred twenty-nine thousand, five hundred thirty-six".