144331430344240 has 40 divisors (see below), whose sum is σ = 335935723246560. Its totient is φ = 57669751028736.

The previous prime is 144331430344207. The next prime is 144331430344253. The reversal of 144331430344240 is 42443034133441.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 144331430344193 and 144331430344202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 981505849 + ... + 981652888.

It is an arithmetic number, because the mean of its divisors is an integer number (8398393081164).

Almost surely, 2^{144331430344240} is an apocalyptic number.

144331430344240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144331430344240 is an abundant number, since it is smaller than the sum of its proper divisors (191604292902320).

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

144331430344240 is a wasteful number, since it uses less digits than its factorization.

144331430344240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1963159669 (or 1963159663 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 40.

Adding to 144331430344240 its reverse (42443034133441), we get a palindrome (186774464477681).

The spelling of 144331430344240 in words is "one hundred forty-four trillion, three hundred thirty-one billion, four hundred thirty million, three hundred forty-four thousand, two hundred forty".