1086369280 has 80 divisors (see below), whose sum is σ = 2660454720. Its totient is φ = 425254912.

The previous prime is 1086369269. The next prime is 1086369299. The reversal of 1086369280 is 829636801.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115806 + ... + 124834.

It is an arithmetic number, because the mean of its divisors is an integer number (33255684).

Almost surely, 2^1086369280 is an apocalyptic number.

1086369280 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 1086369280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1330227360).

1086369280 is an abundant number, since it is smaller than the sum of its proper divisors (1574085440).

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

1086369280 is an frugal number, since it uses more digits than its factorization.

1086369280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9099 (or 9083 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 1086369280 is about 32960.1165046485. The cubic root of 1086369280 is about 1027.9985263445.

The spelling of 1086369280 in words is "one billion, eighty-six million, three hundred sixty-nine thousand, two hundred eighty".