1105142040 has 96 divisors (see below), whose sum is σ = 3608982000. Its totient is φ = 293287680.

The previous prime is 1105142023. The next prime is 1105142041. The reversal of 1105142040 is 402415011.

1105142040 is a `hidden beast` number, since 110 + 514 + 2 + 0 + 40 = 666.

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 (1105142041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68686 + ... + 83234.

Almost surely, 2^1105142040 is an apocalyptic number.

1105142040 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 1105142040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1804491000).

1105142040 is an abundant number, since it is smaller than the sum of its proper divisors (2503839960).

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

1105142040 is a wasteful number, since it uses less digits than its factorization.

1105142040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14777 (or 14770 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 1105142040 is about 33243.6766919665. The cubic root of 1105142040 is about 1033.8861082213.

Adding to 1105142040 its reverse (402415011), we get a palindrome (1507557051).

The spelling of 1105142040 in words is "one billion, one hundred five million, one hundred forty-two thousand, forty".