140440124011240 has 128 divisors (see below), whose sum is σ = 325702322749440. Its totient is φ = 54472795888896.

The previous prime is 140440124011219. The next prime is 140440124011333. The reversal of 140440124011240 is 42110421044041.

It is a junction number, because it is equal to n+sod(n) for n = 140440124011199 and 140440124011208.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 173173977 + ... + 173983063.

It is an arithmetic number, because the mean of its divisors is an integer number (2544549396480).

Almost surely, 2^{140440124011240} is an apocalyptic number.

140440124011240 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 140440124011240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162851161374720).

140440124011240 is an abundant number, since it is smaller than the sum of its proper divisors (185262198738200).

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

140440124011240 is a wasteful number, since it uses less digits than its factorization.

140440124011240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809999 (or 809995 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

Adding to 140440124011240 its reverse (42110421044041), we get a palindrome (182550545055281).

The spelling of 140440124011240 in words is "one hundred forty trillion, four hundred forty billion, one hundred twenty-four million, eleven thousand, two hundred forty".