1089140360 has 384 divisors, whose sum is σ = 3419781120. Its totient is φ = 304128000.

The previous prime is 1089140341. The next prime is 1089140369. The reversal of 1089140360 is 630419801.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1089140369) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 17854730 + ... + 17854790.

It is an arithmetic number, because the mean of its divisors is an integer number (8905680).

Almost surely, 2^1089140360 is an apocalyptic number.

1089140360 is a gapful number since it is divisible by the number (10) 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 1089140360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1709890560).

1089140360 is an abundant number, since it is smaller than the sum of its proper divisors (2330640760).

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

1089140360 is a wasteful number, since it uses less digits than its factorization.

1089140360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 1089140360 is about 33002.1265981452. The cubic root of 1089140360 is about 1028.8718473954.

The spelling of 1089140360 in words is "one billion, eighty-nine million, one hundred forty thousand, three hundred sixty".