1085801340 has 96 divisors (see below), whose sum is σ = 3293881920. Its totient is φ = 267241728.

The previous prime is 1085801323. The next prime is 1085801351. The reversal of 1085801340 is 431085801.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1085801298 and 1085801307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 127702 + ... + 135938.

It is an arithmetic number, because the mean of its divisors is an integer number (34311270).

Almost surely, 2^1085801340 is an apocalyptic number.

1085801340 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 1085801340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1646940960).

1085801340 is an abundant number, since it is smaller than the sum of its proper divisors (2208080580).

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

1085801340 is a wasteful number, since it uses less digits than its factorization.

1085801340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8288 (or 8260 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 1085801340 is about 32951.4998141208. The cubic root of 1085801340 is about 1027.8193536129.

The spelling of 1085801340 in words is "one billion, eighty-five million, eight hundred one thousand, three hundred forty".