1085582740 has 24 divisors (see below), whose sum is σ = 2486971872. Its totient is φ = 394757280.

The previous prime is 1085582737. The next prime is 1085582747. The reversal of 1085582740 is 472855801.

It is a junction number, because it is equal to n+sod(n) for n = 1085582693 and 1085582702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1085582747) 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, 2467014 + ... + 2467453.

It is an arithmetic number, because the mean of its divisors is an integer number (103623828).

Almost surely, 2^1085582740 is an apocalyptic number.

1085582740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1085582740 is an abundant number, since it is smaller than the sum of its proper divisors (1401389132).

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

1085582740 is a wasteful number, since it uses less digits than its factorization.

1085582740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4934487 (or 4934485 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 40.

The square root of 1085582740 is about 32948.1826509445. The cubic root of 1085582740 is about 1027.7503734099.

The spelling of 1085582740 in words is "one billion, eighty-five million, five hundred eighty-two thousand, seven hundred forty".