1110442140 has 36 divisors (see below), whose sum is σ = 3368341704. Its totient is φ = 296117856.

The previous prime is 1110442133. The next prime is 1110442141. The reversal of 1110442140 is 412440111.

It is a tau number, because it is divible by the number of its divisors (36).

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 (1110442141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3084382 + ... + 3084741.

Almost surely, 2^1110442140 is an apocalyptic number.

1110442140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1110442140 is an abundant number, since it is smaller than the sum of its proper divisors (2257899564).

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

1110442140 is a wasteful number, since it uses less digits than its factorization.

1110442140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6169138 (or 6169133 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 1110442140 is about 33323.2972558239. The cubic root of 1110442140 is about 1035.5362620424.

Adding to 1110442140 its reverse (412440111), we get a palindrome (1522882251).

The spelling of 1110442140 in words is "one billion, one hundred ten million, four hundred forty-two thousand, one hundred forty".