1104543440 has 240 divisors, whose sum is σ = 3470242176. Its totient is φ = 317491200.

The previous prime is 1104543437. The next prime is 1104543463. The reversal of 1104543440 is 443454011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1040510 + ... + 1041570.

Almost surely, 2^1104543440 is an apocalyptic number.

1104543440 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 1104543440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1735121088).

1104543440 is an abundant number, since it is smaller than the sum of its proper divisors (2365698736).

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

1104543440 is a wasteful number, since it uses less digits than its factorization.

1104543440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1118 (or 1099 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 1104543440 is about 33234.6722565456. The cubic root of 1104543440 is about 1033.6994064294.

Adding to 1104543440 its reverse (443454011), we get a palindrome (1547997451).

The spelling of 1104543440 in words is "one billion, one hundred four million, five hundred forty-three thousand, four hundred forty".