144704140240 has 80 divisors (see below), whose sum is σ = 367273118016. Its totient is φ = 52583731200.

The previous prime is 144704140187. The next prime is 144704140247. The reversal of 144704140240 is 42041407441.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144704140247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1249600 + ... + 1360480.

Almost surely, 2^144704140240 is an apocalyptic number.

144704140240 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 144704140240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183636559008).

144704140240 is an abundant number, since it is smaller than the sum of its proper divisors (222568977776).

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

144704140240 is a wasteful number, since it uses less digits than its factorization.

144704140240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112388 (or 112382 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 31.

Adding to 144704140240 its reverse (42041407441), we get a palindrome (186745547681).

The spelling of 144704140240 in words is "one hundred forty-four billion, seven hundred four million, one hundred forty thousand, two hundred forty".