1089352368 has 240 divisors, whose sum is σ = 3474599040. Its totient is φ = 326446848.

The previous prime is 1089352337. The next prime is 1089352379. The reversal of 1089352368 is 8632539801.

It is a happy number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 3139171 + ... + 3139517.

It is an arithmetic number, because the mean of its divisors is an integer number (14477496).

Almost surely, 2^1089352368 is an apocalyptic number.

1089352368 is a gapful number since it is divisible by the number (18) 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 1089352368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1737299520).

1089352368 is an abundant number, since it is smaller than the sum of its proper divisors (2385246672).

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

1089352368 is a wasteful number, since it uses less digits than its factorization.

1089352368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433 (or 408 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 1089352368 is about 33005.3384772827. The cubic root of 1089352368 is about 1028.9386018496.

The spelling of 1089352368 in words is "one billion, eighty-nine million, three hundred fifty-two thousand, three hundred sixty-eight".