1105304640 has 448 divisors, whose sum is σ = 4171419648. Its totient is φ = 244940800.

The previous prime is 1105304633. The next prime is 1105304653. The reversal of 1105304640 is 464035011.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1105304640.

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 63 ways as a sum of consecutive naturals, for example, 8437375 + ... + 8437505.

Almost surely, 2^1105304640 is an apocalyptic number.

1105304640 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 1105304640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2085709824).

1105304640 is an abundant number, since it is smaller than the sum of its proper divisors (3066115008).

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

1105304640 is a wasteful number, since it uses less digits than its factorization.

1105304640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 1105304640 is about 33246.1221798874. The cubic root of 1105304640 is about 1033.9368110966.

Adding to 1105304640 its reverse (464035011), we get a palindrome (1569339651).

The spelling of 1105304640 in words is "one billion, one hundred five million, three hundred four thousand, six hundred forty".