4144630340238 has 8 divisors (see below), whose sum is σ = 8289260680488. Its totient is φ = 1381543446744.

The previous prime is 4144630340209. The next prime is 4144630340281. The reversal of 4144630340238 is 8320430364414.

It is a sphenic number, since it is the product of 3 distinct primes.

4144630340238 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 4144630340238.

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 3 ways as a sum of consecutive naturals, for example, 345385861681 + ... + 345385861692.

It is an arithmetic number, because the mean of its divisors is an integer number (1036157585061).

Almost surely, 2^{4144630340238} is an apocalyptic number.

4144630340238 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4144630340238 is a wasteful number, since it uses less digits than its factorization.

4144630340238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690771723378.

The product of its (nonzero) digits is 663552, while the sum is 42.

The spelling of 4144630340238 in words is "four trillion, one hundred forty-four billion, six hundred thirty million, three hundred forty thousand, two hundred thirty-eight".