140444444006 has 4 divisors (see below), whose sum is σ = 210666666012. Its totient is φ = 70222222002.

The previous prime is 140444443981. The next prime is 140444444009. The reversal of 140444444006 is 600444444041.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140444444009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35111111000 + ... + 35111111003.

It is an arithmetic number, because the mean of its divisors is an integer number (52666666503).

Almost surely, 2^140444444006 is an apocalyptic number.

140444444006 is a deficient number, since it is larger than the sum of its proper divisors (70222222006).

140444444006 is an equidigital number, since it uses as much as digits as its factorization.

140444444006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70222222005.

The product of its (nonzero) digits is 98304, while the sum is 35.

Adding to 140444444006 its sum of digits (35), we get a palindrome (140444444041).

Adding to 140444444006 its reverse (600444444041), we get a palindrome (740888888047).

The spelling of 140444444006 in words is "one hundred forty billion, four hundred forty-four million, four hundred forty-four thousand, six".