2144240440430 has 32 divisors (see below), whose sum is σ = 4279533244128. Its totient is φ = 766941436800.

The previous prime is 2144240440373. The next prime is 2144240440519. The reversal of 2144240440430 is 340440424412.

It is a super-3 number, since 3×2144240440430³ (a number of 38 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159772757 + ... + 159786176.

It is an arithmetic number, because the mean of its divisors is an integer number (133735413879).

Almost surely, 2^{2144240440430} is an apocalyptic number.

2144240440430 is a deficient number, since it is larger than the sum of its proper divisors (2135292803698).

2144240440430 is a wasteful number, since it uses less digits than its factorization.

2144240440430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319559012.

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 2144240440430 its reverse (340440424412), we get a palindrome (2484680864842).

The spelling of 2144240440430 in words is "two trillion, one hundred forty-four billion, two hundred forty million, four hundred forty thousand, four hundred thirty".