144441424013440 has 64 divisors (see below), whose sum is σ = 352652200191360. Its totient is φ = 56547280878592.

The previous prime is 144441424013431. The next prime is 144441424013459. The reversal of 144441424013440 is 44310424144441.

It is a tau number, because it is divible by the number of its divisors (64).

It is a super-2 number, since 2×144441424013440² (a number of 29 digits) contains 22 as substring.

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 = 144441424013393 and 144441424013402.

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, 2400924442 + ... + 2400984601.

It is an arithmetic number, because the mean of its divisors is an integer number (5510190627990).

Almost surely, 2^{144441424013440} is an apocalyptic number.

144441424013440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144441424013440 is an abundant number, since it is smaller than the sum of its proper divisors (208210776177920).

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

144441424013440 is an equidigital number, since it uses as much as digits as its factorization.

144441424013440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4801909109 (or 4801909097 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 40.

Adding to 144441424013440 its reverse (44310424144441), we get a palindrome (188751848157881).

The spelling of 144441424013440 in words is "one hundred forty-four trillion, four hundred forty-one billion, four hundred twenty-four million, thirteen thousand, four hundred forty".