1093865040 has 160 divisors (see below), whose sum is σ = 3869871360. Its totient is φ = 283792896.

The previous prime is 1093865033. The next prime is 1093865041. The reversal of 1093865040 is 405683901.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1093864986 and 1093865004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1093865041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73077 + ... + 86763.

It is an arithmetic number, because the mean of its divisors is an integer number (24186696).

Almost surely, 2^1093865040 is an apocalyptic number.

1093865040 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 1093865040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1934935680).

1093865040 is an abundant number, since it is smaller than the sum of its proper divisors (2776006320).

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

1093865040 is a wasteful number, since it uses less digits than its factorization.

1093865040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13746 (or 13734 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 1093865040 is about 33073.6305838957. The cubic root of 1093865040 is about 1030.3574465552.

The spelling of 1093865040 in words is "one billion, ninety-three million, eight hundred sixty-five thousand, forty".