140240403441 has 12 divisors (see below), whose sum is σ = 205344396868. Its totient is φ = 92212867584.

The previous prime is 140240403431. The next prime is 140240403451. The reversal of 140240403441 is 144304042041.

140240403441 is a `hidden beast` number, since 1 + 40 + 240 + 40 + 344 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (140240403431) and next prime (140240403451).

It can be written as a sum of positive squares in 2 ways, for example, as 94820269041 + 45420134400 = 307929^2 + 213120^2 .

It is a de Polignac number, because none of the positive numbers 2^k-140240403441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140240403431) 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, 106727200 + ... + 106728513.

Almost surely, 2^140240403441 is an apocalyptic number.

It is an amenable number.

140240403441 is a deficient number, since it is larger than the sum of its proper divisors (65103993427).

140240403441 is a wasteful number, since it uses less digits than its factorization.

140240403441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213455792 (or 213455789 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 140240403441 its reverse (144304042041), we get a palindrome (284544445482).

The spelling of 140240403441 in words is "one hundred forty billion, two hundred forty million, four hundred three thousand, four hundred forty-one".