140444220043 has 4 divisors (see below), whose sum is σ = 142746584368. Its totient is φ = 138141855720.

The previous prime is 140444220013. The next prime is 140444220067. The reversal of 140444220043 is 340022444041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-140444220043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 140444219993 and 140444220020.

It is not an unprimeable number, because it can be changed into a prime (140444220013) 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, 1151182071 + ... + 1151182192.

It is an arithmetic number, because the mean of its divisors is an integer number (35686646092).

Almost surely, 2^140444220043 is an apocalyptic number.

140444220043 is a deficient number, since it is larger than the sum of its proper divisors (2302364325).

140444220043 is an equidigital number, since it uses as much as digits as its factorization.

140444220043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2302364324.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 140444220043 its reverse (340022444041), we get a palindrome (480466664084).

The spelling of 140444220043 in words is "one hundred forty billion, four hundred forty-four million, two hundred twenty thousand, forty-three".