144224002400440 has 32 divisors (see below), whose sum is σ = 324541224216000. Its totient is φ = 57682984281984.

The previous prime is 144224002400353. The next prime is 144224002400449. The reversal of 144224002400440 is 44004200422441.

It is a happy number.

It is a super-2 number, since 2×144224002400440² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144224002400449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206418075 + ... + 207115594.

It is an arithmetic number, because the mean of its divisors is an integer number (10141913256750).

Almost surely, 2^{144224002400440} is an apocalyptic number.

144224002400440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144224002400440 is an abundant number, since it is smaller than the sum of its proper divisors (180317221815560).

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

144224002400440 is a wasteful number, since it uses less digits than its factorization.

144224002400440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413542399 (or 413542395 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 31.

Adding to 144224002400440 its reverse (44004200422441), we get a palindrome (188228202822881).

The spelling of 144224002400440 in words is "one hundred forty-four trillion, two hundred twenty-four billion, two million, four hundred thousand, four hundred forty".