1140430144 has 28 divisors (see below), whose sum is σ = 2586333664. Its totient is φ = 488755584.

The previous prime is 1140430121. The next prime is 1140430153. The reversal of 1140430144 is 4410340411.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1272354 + ... + 1273249.

Almost surely, 2^1140430144 is an apocalyptic number.

1140430144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1140430144 is an abundant number, since it is smaller than the sum of its proper divisors (1445903520).

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

1140430144 is an equidigital number, since it uses as much as digits as its factorization.

1140430144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2545622 (or 2545612 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1140430144 is about 33770.2553144035. The cubic root of 1140430144 is about 1044.7752984052.

Adding to 1140430144 its reverse (4410340411), we get a palindrome (5550770555).

The spelling of 1140430144 in words is "one billion, one hundred forty million, four hundred thirty thousand, one hundred forty-four".