140043400441 has 8 divisors (see below), whose sum is σ = 160076090304. Its totient is φ = 120017333040.

The previous prime is 140043400439. The next prime is 140043400499. The reversal of 140043400441 is 144004340041.

It is a happy number.

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 140043400441 - 2¹ = 140043400439 is a prime.

It is a super-2 number, since 2×140043400441² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140043400141) 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, 1610215 + ... + 1694956.

It is an arithmetic number, because the mean of its divisors is an integer number (20009511288).

Almost surely, 2^140043400441 is an apocalyptic number.

It is an amenable number.

140043400441 is a deficient number, since it is larger than the sum of its proper divisors (20032689863).

140043400441 is an equidigital number, since it uses as much as digits as its factorization.

140043400441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3311231.

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 140043400441 its reverse (144004340041), we get a palindrome (284047740482).

The spelling of 140043400441 in words is "one hundred forty billion, forty-three million, four hundred thousand, four hundred forty-one".