140223434444 has 12 divisors (see below), whose sum is σ = 245643736968.
Its totient is φ = 70039509600.
The previous prime is 140223434431. The next prime is 140223434453. The reversal of 140223434444 is 444434322041.
It is a super-2 number, since 2×1402234344442 (a number of 23 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18047537 + ... + 18055304.
It is an arithmetic number, because the mean of its divisors is an integer number (20470311414).
Almost surely, 2140223434444 is an apocalyptic number.
It is an amenable number.
140223434444 is a deficient number, since it is larger than the sum of its proper divisors (105420302524).
140223434444 is a wasteful number, since it uses less digits than its factorization.
140223434444 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 36103816 (or 36103814 counting only the distinct ones).
The product of its (nonzero) digits is 147456, while the sum is 35.
Adding to 140223434444 its reverse (444434322041), we get a palindrome (584657756485).
The spelling of 140223434444 in words is "one hundred forty billion, two hundred twenty-three million, four hundred thirty-four thousand, four hundred forty-four".