1089560850 has 48 divisors (see below), whose sum is σ = 3088129728. Its totient is φ = 249042240.

The previous prime is 1089560779. The next prime is 1089560851. The reversal of 1089560850 is 580659801.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (1089560851) 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 23 ways as a sum of consecutive naturals, for example, 517789 + ... + 519888.

It is an arithmetic number, because the mean of its divisors is an integer number (64336036).

Almost surely, 2^1089560850 is an apocalyptic number.

1089560850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1089560850 is an abundant number, since it is smaller than the sum of its proper divisors (1998568878).

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

1089560850 is a wasteful number, since it uses less digits than its factorization.

1089560850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037699 (or 1037694 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 42.

The square root of 1089560850 is about 33008.4966334427. The cubic root of 1089560850 is about 1029.0042376348.

The spelling of 1089560850 in words is "one billion, eighty-nine million, five hundred sixty thousand, eight hundred fifty".