1085804544 has 208 divisors, whose sum is σ = 3279021120. Its totient is φ = 316538880.

The previous prime is 1085804537. The next prime is 1085804579. The reversal of 1085804544 is 4454085801.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3919734 + ... + 3920010.

Almost surely, 2^1085804544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1085804544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1639510560).

1085804544 is an abundant number, since it is smaller than the sum of its proper divisors (2193216576).

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

1085804544 is a wasteful number, since it uses less digits than its factorization.

1085804544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344 (or 322 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 39.

The square root of 1085804544 is about 32951.5484309918. The cubic root of 1085804544 is about 1027.8203645805.

The spelling of 1085804544 in words is "one billion, eighty-five million, eight hundred four thousand, five hundred forty-four".