244144203421 has 8 divisors (see below), whose sum is σ = 245049891840. Its totient is φ = 243239769168.

The previous prime is 244144203409. The next prime is 244144203503. The reversal of 244144203421 is 124302441442.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 244144203421 - 2³¹ = 241996719773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244144003421) 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, 77415 + ... + 703051.

It is an arithmetic number, because the mean of its divisors is an integer number (30631236480).

Almost surely, 2^244144203421 is an apocalyptic number.

It is an amenable number.

244144203421 is a deficient number, since it is larger than the sum of its proper divisors (905688419).

244144203421 is a wasteful number, since it uses less digits than its factorization.

244144203421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627083.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 244144203421 its reverse (124302441442), we get a palindrome (368446644863).

The spelling of 244144203421 in words is "two hundred forty-four billion, one hundred forty-four million, two hundred three thousand, four hundred twenty-one".