140424242320440 has 640 divisors, whose sum is σ = 509478545822400. Its totient is φ = 34485099356160.

The previous prime is 140424242320367. The next prime is 140424242320511. The reversal of 140424242320440 is 44023242424041.

140424242320440 is a `hidden beast` number, since 1 + 4 + 0 + 4 + 2 + 424 + 23 + 204 + 4 + 0 = 666.

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 = 140424242320395 and 140424242320404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 41656551955 + ... + 41656555325.

Almost surely, 2^{140424242320440} is an apocalyptic number.

140424242320440 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 140424242320440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254739272911200).

140424242320440 is an abundant number, since it is smaller than the sum of its proper divisors (369054303501960).

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

140424242320440 is a wasteful number, since it uses less digits than its factorization.

140424242320440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5429 (or 5416 counting only the distinct ones).

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

Adding to 140424242320440 its reverse (44023242424041), we get a palindrome (184447484744481).

The spelling of 140424242320440 in words is "one hundred forty trillion, four hundred twenty-four billion, two hundred forty-two million, three hundred twenty thousand, four hundred forty".