140042443420044 has 288 divisors, whose sum is σ = 410428488637440. Its totient is φ = 39845490854400.

The previous prime is 140042443420039. The next prime is 140042443420111. The reversal of 140042443420044 is 440024344240041.

It is a happy number.

140042443420044 is a `hidden beast` number, since 1 + 4 + 0 + 0 + 4 + 2 + 443 + 4 + 200 + 4 + 4 = 666.

It is a super-2 number, since 2×140042443420044² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 140042443419990 and 140042443420008.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 147614134 + ... + 148559810.

It is an arithmetic number, because the mean of its divisors is an integer number (1425098918880).

Almost surely, 2^{140042443420044} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140042443420044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205214244318720).

140042443420044 is an abundant number, since it is smaller than the sum of its proper divisors (270386045217396).

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

140042443420044 is a wasteful number, since it uses less digits than its factorization.

140042443420044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 946021 (or 946016 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 36.

Adding to 140042443420044 its reverse (440024344240041), we get a palindrome (580066787660085).

The spelling of 140042443420044 in words is "one hundred forty trillion, forty-two billion, four hundred forty-three million, four hundred twenty thousand, forty-four".