1440231041 has 8 divisors (see below), whose sum is σ = 1532855304. Its totient is φ = 1348485120.

The previous prime is 1440231029. The next prime is 1440231053. The reversal of 1440231041 is 1401320441.

It is an interprime number because it is at equal distance from previous prime (1440231029) and next prime (1440231053).

It can be written as a sum of positive squares in 4 ways, for example, as 178489600 + 1261741441 = 13360^2 + 35521^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1440231041 - 2⁶ = 1440230977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1440236041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216200 + ... + 222761.

It is an arithmetic number, because the mean of its divisors is an integer number (191606913).

Almost surely, 2^1440231041 is an apocalyptic number.

It is an amenable number.

1440231041 is a deficient number, since it is larger than the sum of its proper divisors (92624263).

1440231041 is a wasteful number, since it uses less digits than its factorization.

1440231041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439171.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1440231041 is about 37950.3760323926. The cubic root of 1440231041 is about 1129.3036252901.

Adding to 1440231041 its reverse (1401320441), we get a palindrome (2841551482).

The spelling of 1440231041 in words is "one billion, four hundred forty million, two hundred thirty-one thousand, forty-one".