1089823504 has 100 divisors (see below), whose sum is σ = 2688287760. Its totient is φ = 424441920.

The previous prime is 1089823481. The next prime is 1089823547. The reversal of 1089823504 is 4053289801.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 421287 + ... + 423865.

Almost surely, 2^1089823504 is an apocalyptic number.

1089823504 is a gapful number since it is divisible by the number (14) 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 1089823504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1344143880).

1089823504 is an abundant number, since it is smaller than the sum of its proper divisors (1598464256).

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

1089823504 is an equidigital number, since it uses as much as digits as its factorization.

1089823504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2626 (or 2599 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 1089823504 is about 33012.4749753786. The cubic root of 1089823504 is about 1029.0869163166.

The spelling of 1089823504 in words is "one billion, eighty-nine million, eight hundred twenty-three thousand, five hundred four".