140012012042340 has 192 divisors, whose sum is σ = 405699844381440. Its totient is φ = 36060736757760.

The previous prime is 140012012042291. The next prime is 140012012042431. The reversal of 140012012042340 is 43240210210041.

It is a super-2 number, since 2×140012012042340² (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 140012012042340.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 75841776 + ... + 77665944.

It is an arithmetic number, because the mean of its divisors is an integer number (2113020022820).

Almost surely, 2^{140012012042340} is an apocalyptic number.

140012012042340 is a gapful number since it is divisible by the number (10) 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 140012012042340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202849922190720).

140012012042340 is an abundant number, since it is smaller than the sum of its proper divisors (265687832339100).

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

140012012042340 is a wasteful number, since it uses less digits than its factorization.

140012012042340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1824622 (or 1824620 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 140012012042340 its reverse (43240210210041), we get a palindrome (183252222252381).

The spelling of 140012012042340 in words is "one hundred forty trillion, twelve billion, twelve million, forty-two thousand, three hundred forty".