144040253340 has 96 divisors (see below), whose sum is σ = 415546919424. Its totient is φ = 37252258560.

The previous prime is 144040253311. The next prime is 144040253341. The reversal of 144040253340 is 43352040441.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 144040253298 and 144040253307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144040253341) 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, 586107 + ... + 794733.

It is an arithmetic number, because the mean of its divisors is an integer number (4328613744).

Almost surely, 2^144040253340 is an apocalyptic number.

144040253340 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 144040253340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207773459712).

144040253340 is an abundant number, since it is smaller than the sum of its proper divisors (271506666084).

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

144040253340 is a wasteful number, since it uses less digits than its factorization.

144040253340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208987 (or 208985 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 144040253340 its reverse (43352040441), we get a palindrome (187392293781).

The spelling of 144040253340 in words is "one hundred forty-four billion, forty million, two hundred fifty-three thousand, three hundred forty".