144442220401400 has 48 divisors (see below), whose sum is σ = 344019093243840. Its totient is φ = 56367695763200.

The previous prime is 144442220401399. The next prime is 144442220401417. The reversal of 144442220401400 is 4104022244441.

It is a super-2 number, since 2×144442220401400² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8807444264 + ... + 8807460663.

It is an arithmetic number, because the mean of its divisors is an integer number (7167064442580).

Almost surely, 2^{144442220401400} is an apocalyptic number.

144442220401400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144442220401400 is an abundant number, since it is smaller than the sum of its proper divisors (199576872842440).

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

144442220401400 is a wasteful number, since it uses less digits than its factorization.

144442220401400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17614904984 (or 17614904975 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 32.

Adding to 144442220401400 its reverse (4104022244441), we get a palindrome (148546242645841).

The spelling of 144442220401400 in words is "one hundred forty-four trillion, four hundred forty-two billion, two hundred twenty million, four hundred one thousand, four hundred".