140123400441044 has 12 divisors (see below), whose sum is σ = 245216066422068. Its totient is φ = 70061667177600.

The previous prime is 140123400440927. The next prime is 140123400441133. The reversal of 140123400441044 is 440144004321041.

It can be written as a sum of positive squares in 2 ways, for example, as 50354635210000 + 89768765231044 = 7096100^2 + 9474638^2 .

It is a super-2 number, since 2×140123400441044² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 140123400441044.

It is a congruent number.

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, 2980364 + ... + 17003804.

It is an arithmetic number, because the mean of its divisors is an integer number (20434672201839).

Almost surely, 2^{140123400441044} is an apocalyptic number.

It is an amenable number.

140123400441044 is a deficient number, since it is larger than the sum of its proper divisors (105092665981024).

140123400441044 is a wasteful number, since it uses less digits than its factorization.

140123400441044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16521466 (or 16521464 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 140123400441044 its reverse (440144004321041), we get a palindrome (580267404762085).

The spelling of 140123400441044 in words is "one hundred forty trillion, one hundred twenty-three billion, four hundred million, four hundred forty-one thousand, forty-four".