244023020421 has 8 divisors (see below), whose sum is σ = 325367596800. Its totient is φ = 162680228832.

The previous prime is 244023020413. The next prime is 244023020459. The reversal of 244023020421 is 124020320442.

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

It is not a de Polignac number, because 244023020421 - 2³ = 244023020413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 244023020391 and 244023020400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244023020401) 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, 85525 + ... + 703818.

It is an arithmetic number, because the mean of its divisors is an integer number (40670949600).

Almost surely, 2^244023020421 is an apocalyptic number.

It is an amenable number.

244023020421 is a deficient number, since it is larger than the sum of its proper divisors (81344576379).

244023020421 is a wasteful number, since it uses less digits than its factorization.

244023020421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 892395.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 244023020421 its reverse (124020320442), we get a palindrome (368043340863).

The spelling of 244023020421 in words is "two hundred forty-four billion, twenty-three million, twenty thousand, four hundred twenty-one".