1089805470 has 64 divisors (see below), whose sum is σ = 2820109824. Its totient is φ = 267937920.

The previous prime is 1089805469. The next prime is 1089805487. The reversal of 1089805470 is 745089801.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 600865 + ... + 602675.

It is an arithmetic number, because the mean of its divisors is an integer number (44064216).

Almost surely, 2^1089805470 is an apocalyptic number.

1089805470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1089805470 is an abundant number, since it is smaller than the sum of its proper divisors (1730304354).

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

1089805470 is a wasteful number, since it uses less digits than its factorization.

1089805470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3377.

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 1089805470 is about 33012.2018350791. The cubic root of 1089805470 is about 1029.0812399676.

The spelling of 1089805470 in words is "one billion, eighty-nine million, eight hundred five thousand, four hundred seventy".