1094005440 has 336 divisors, whose sum is σ = 4260372480. Its totient is φ = 265006080.

The previous prime is 1094005397. The next prime is 1094005453. The reversal of 1094005440 is 445004901.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 854721 + ... + 855999.

It is an arithmetic number, because the mean of its divisors is an integer number (12679680).

Almost surely, 2^1094005440 is an apocalyptic number.

1094005440 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 1094005440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2130186240).

1094005440 is an abundant number, since it is smaller than the sum of its proper divisors (3166367040).

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

1094005440 is a wasteful number, since it uses less digits than its factorization.

1094005440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322 (or 1300 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1094005440 is about 33075.7530526517. The cubic root of 1094005440 is about 1030.4015275558.

The spelling of 1094005440 in words is "one billion, ninety-four million, five thousand, four hundred forty".