1089886080 has 64 divisors (see below), whose sum is σ = 3474018000. Its totient is φ = 290635776.

The previous prime is 1089886009. The next prime is 1089886081. The reversal of 1089886080 is 806889801.

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

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1089886081) 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, 281905 + ... + 285744.

Almost surely, 2^1089886080 is an apocalyptic number.

1089886080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1089886080 is an abundant number, since it is smaller than the sum of its proper divisors (2384131920).

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

1089886080 is an equidigital number, since it uses as much as digits as its factorization.

1089886080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567671 (or 567659 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 48.

The square root of 1089886080 is about 33013.4227247040. The cubic root of 1089886080 is about 1029.1066121390.

The spelling of 1089886080 in words is "one billion, eighty-nine million, eight hundred eighty-six thousand, eighty".