1085502340 has 48 divisors (see below), whose sum is σ = 2469197808. Its totient is φ = 398467584.

The previous prime is 1085502331. The next prime is 1085502367. The reversal of 1085502340 is 432055801.

It can be written as a sum of positive squares in 8 ways, for example, as 2829124 + 1082673216 = 1682^2 + 32904^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1085502299 and 1085502308.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 32914 + ... + 57046.

It is an arithmetic number, because the mean of its divisors is an integer number (51441621).

Almost surely, 2^1085502340 is an apocalyptic number.

1085502340 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 1085502340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1234598904).

1085502340 is an abundant number, since it is smaller than the sum of its proper divisors (1383695468).

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

1085502340 is a wasteful number, since it uses less digits than its factorization.

1085502340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24328 (or 24326 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 1085502340 is about 32946.9625307099. The cubic root of 1085502340 is about 1027.7250005028.

The spelling of 1085502340 in words is "one billion, eighty-five million, five hundred two thousand, three hundred forty".