1085130240 has 160 divisors (see below), whose sum is σ = 3489821280. Its totient is φ = 287637504.

The previous prime is 1085130239. The next prime is 1085130257. The reversal of 1085130240 is 420315801.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1085130240.

It is a congruent number.

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, 1758412 + ... + 1759028.

It is an arithmetic number, because the mean of its divisors is an integer number (21811383).

Almost surely, 2^1085130240 is an apocalyptic number.

1085130240 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 1085130240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1744910640).

1085130240 is an abundant number, since it is smaller than the sum of its proper divisors (2404691040).

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

1085130240 is an equidigital number, since it uses as much as digits as its factorization.

1085130240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872 (or 856 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 1085130240 is about 32941.3150921453. The cubic root of 1085130240 is about 1027.6075555918.

The spelling of 1085130240 in words is "one billion, eighty-five million, one hundred thirty thousand, two hundred forty".