140434452240 has 160 divisors (see below), whose sum is σ = 458436074880. Its totient is φ = 35464531968.

The previous prime is 140434452229. The next prime is 140434452247. The reversal of 140434452240 is 42254434041.

It is not an unprimeable number, because it can be changed into a prime (140434452247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17565684 + ... + 17573676.

It is an arithmetic number, because the mean of its divisors is an integer number (2865225468).

Almost surely, 2^140434452240 is an apocalyptic number.

140434452240 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 140434452240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229218037440).

140434452240 is an abundant number, since it is smaller than the sum of its proper divisors (318001622640).

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

140434452240 is a wasteful number, since it uses less digits than its factorization.

140434452240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11881 (or 11875 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 33.

Adding to 140434452240 its reverse (42254434041), we get a palindrome (182688886281).

The spelling of 140434452240 in words is "one hundred forty billion, four hundred thirty-four million, four hundred fifty-two thousand, two hundred forty".