140044011131444 has 72 divisors (see below), whose sum is σ = 297722368813632. Its totient is φ = 56452378567680.

The previous prime is 140044011131443. The next prime is 140044011131477. The reversal of 140044011131444 is 444131110440041.

It is a super-2 number, since 2×140044011131444² (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 140044011131444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140044011131443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7204424 + ... + 18220640.

Almost surely, 2^{140044011131444} is an apocalyptic number.

140044011131444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140044011131444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148861184406816).

140044011131444 is an abundant number, since it is smaller than the sum of its proper divisors (157678357682188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

140044011131444 is a wasteful number, since it uses less digits than its factorization.

140044011131444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11017833 (or 11017814 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

Adding to 140044011131444 its reverse (444131110440041), we get a palindrome (584175121571485).

The spelling of 140044011131444 in words is "one hundred forty trillion, forty-four billion, eleven million, one hundred thirty-one thousand, four hundred forty-four".