1140230244 has 48 divisors (see below), whose sum is σ = 2781571968. Its totient is φ = 362850048.

The previous prime is 1140230243. The next prime is 1140230317. The reversal of 1140230244 is 4420320411.

It is a self number, because there is not a number n which added to its sum of digits gives 1140230244.

It is not an unprimeable number, because it can be changed into a prime (1140230243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150024 + ... + 157440.

It is an arithmetic number, because the mean of its divisors is an integer number (57949416).

Almost surely, 2^1140230244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1140230244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1390785984).

1140230244 is an abundant number, since it is smaller than the sum of its proper divisors (1641341724).

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

1140230244 is a wasteful number, since it uses less digits than its factorization.

1140230244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8004 (or 8002 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1140230244 is about 33767.2954795021. The cubic root of 1140230244 is about 1044.7142504496.

Adding to 1140230244 its reverse (4420320411), we get a palindrome (5560550655).

The spelling of 1140230244 in words is "one billion, one hundred forty million, two hundred thirty thousand, two hundred forty-four".