1085450816 has 56 divisors (see below), whose sum is σ = 2296094976. Its totient is φ = 507340800.

The previous prime is 1085450813. The next prime is 1085450827. The reversal of 1085450816 is 6180545801.

It is a self number, because there is not a number n which added to its sum of digits gives 1085450816.

It is not an unprimeable number, because it can be changed into a prime (1085450813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160985 + ... + 167591.

It is an arithmetic number, because the mean of its divisors is an integer number (41001696).

Almost surely, 2^1085450816 is an apocalyptic number.

1085450816 is a gapful number since it is divisible by the number (16) 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 1085450816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1148047488).

1085450816 is an abundant number, since it is smaller than the sum of its proper divisors (1210644160).

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

1085450816 is a wasteful number, since it uses less digits than its factorization.

1085450816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6787 (or 6777 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 38.

The square root of 1085450816 is about 32946.1805980602. The cubic root of 1085450816 is about 1027.7087397239.

The spelling of 1085450816 in words is "one billion, eighty-five million, four hundred fifty thousand, eight hundred sixteen".