1140400441 has 12 divisors (see below), whose sum is σ = 1180541952. Its totient is φ = 1101585000.

The previous prime is 1140400423. The next prime is 1140400451. The reversal of 1140400441 is 1440040411.

It is not a de Polignac number, because 1140400441 - 2¹⁵ = 1140367673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1140400411) 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, 990216 + ... + 991366.

It is an arithmetic number, because the mean of its divisors is an integer number (98378496).

Almost surely, 2^1140400441 is an apocalyptic number.

It is an amenable number.

1140400441 is a deficient number, since it is larger than the sum of its proper divisors (40141511).

1140400441 is a wasteful number, since it uses less digits than its factorization.

1140400441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2244 (or 2213 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1140400441 is about 33769.8155310330. The cubic root of 1140400441 is about 1044.7662277838.

Adding to 1140400441 its reverse (1440040411), we get a palindrome (2580440852).

The spelling of 1140400441 in words is "one billion, one hundred forty million, four hundred thousand, four hundred forty-one".