Adding to 140310440 its reverse (44013041), we get a palindrome (184323481).
It is an unprimeable number.
Almost surely, 2140310440 is an apocalyptic number.
140310440 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 140310440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166946400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
140310440 is a wasteful number, since it uses less digits than its factorization.
140310440 is an odious number, because the sum of its binary digits is odd.
The square root of 140310440 is about 11845.2707862674. The cubic root of 140310440 is about 519.6329263440.
The spelling of 140310440 in words is "one hundred forty million, three hundred ten thousand, four hundred forty".