140044421012 has 6 divisors (see below), whose sum is σ = 245077736778. Its totient is φ = 70022210504.

The previous prime is 140044421003. The next prime is 140044421053. The reversal of 140044421012 is 210124440041.

It can be written as a sum of positive squares in only one way, i.e., 100505484676 + 39538936336 = 317026^2 + 198844^2 .

It is a super-2 number, since 2×140044421012² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17505552623 + ... + 17505552630.

It is an arithmetic number, because the mean of its divisors is an integer number (40846289463).

Almost surely, 2^140044421012 is an apocalyptic number.

It is an amenable number.

140044421012 is a deficient number, since it is larger than the sum of its proper divisors (105033315766).

140044421012 is a wasteful number, since it uses less digits than its factorization.

140044421012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35011105257 (or 35011105255 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 140044421012 its reverse (210124440041), we get a palindrome (350168861053).

The spelling of 140044421012 in words is "one hundred forty billion, forty-four million, four hundred twenty-one thousand, twelve".