1105043040 has 192 divisors, whose sum is σ = 4071513600. Its totient is φ = 279148032.

The previous prime is 1105042997. The next prime is 1105043041. The reversal of 1105043040 is 403405011.

It is a happy number.

It is a super-2 number, since 2×1105043040² = 2442240240504883200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105043041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75349 + ... + 88811.

It is an arithmetic number, because the mean of its divisors is an integer number (21205800).

Almost surely, 2^1105043040 is an apocalyptic number.

1105043040 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 1105043040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2035756800).

1105043040 is an abundant number, since it is smaller than the sum of its proper divisors (2966470560).

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

1105043040 is a wasteful number, since it uses less digits than its factorization.

1105043040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13506 (or 13492 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1105043040 is about 33242.1876536428. The cubic root of 1105043040 is about 1033.8552350311.

Adding to 1105043040 its reverse (403405011), we get a palindrome (1508448051).

The spelling of 1105043040 in words is "one billion, one hundred five million, forty-three thousand, forty".