1094653440 has 200 divisors, whose sum is σ = 3921445440. Its totient is φ = 291852288.

The previous prime is 1094653411. The next prime is 1094653447. The reversal of 1094653440 is 443564901.

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 = 1094653395 and 1094653404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1094653447) 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 19 ways as a sum of consecutive naturals, for example, 204721 + ... + 209999.

Almost surely, 2^1094653440 is an apocalyptic number.

1094653440 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 1094653440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1960722720).

1094653440 is an abundant number, since it is smaller than the sum of its proper divisors (2826792000).

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

1094653440 is an frugal number, since it uses more digits than its factorization.

1094653440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5314 (or 5289 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 1094653440 is about 33085.5472978762. The cubic root of 1094653440 is about 1030.6049294703.

The spelling of 1094653440 in words is "one billion, ninety-four million, six hundred fifty-three thousand, four hundred forty".