1140304442 has 8 divisors (see below), whose sum is σ = 1784824416. Its totient is φ = 545362972.

The previous prime is 1140304441. The next prime is 1140304483. The reversal of 1140304442 is 2444030411.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (1140304441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12394568 + ... + 12394659.

It is an arithmetic number, because the mean of its divisors is an integer number (223103052).

Almost surely, 2^1140304442 is an apocalyptic number.

1140304442 is a deficient number, since it is larger than the sum of its proper divisors (644519974).

1140304442 is a wasteful number, since it uses less digits than its factorization.

1140304442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24789252.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1140304442 is about 33768.3941282377. The cubic root of 1140304442 is about 1044.7369107930.

Adding to 1140304442 its reverse (2444030411), we get a palindrome (3584334853).

The spelling of 1140304442 in words is "one billion, one hundred forty million, three hundred four thousand, four hundred forty-two".