140044421044 has 24 divisors (see below), whose sum is σ = 267413622336. Its totient is φ = 63643200000.

The previous prime is 140044421003. The next prime is 140044421053. The reversal of 140044421044 is 440124440041.

It is a super-2 number, since 2×140044421044² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120232 + ... + 542719.

It is an arithmetic number, because the mean of its divisors is an integer number (11142234264).

Almost surely, 2^140044421044 is an apocalyptic number.

It is an amenable number.

140044421044 is a deficient number, since it is larger than the sum of its proper divisors (127369201292).

140044421044 is a wasteful number, since it uses less digits than its factorization.

140044421044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667767 (or 667765 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 140044421044 its reverse (440124440041), we get a palindrome (580168861085).

It can be divided in two parts, 1400 and 44421044, that added together give a palindrome (44422444).

The spelling of 140044421044 in words is "one hundred forty billion, forty-four million, four hundred twenty-one thousand, forty-four".