444033331201421 has 32 divisors (see below), whose sum is σ = 490245281111040. Its totient is φ = 399703096855296.

The previous prime is 444033331201379. The next prime is 444033331201423. The reversal of 444033331201421 is 124102133330444.

It is not a de Polignac number, because 444033331201421 - 2⁴⁶ = 373664587023757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444033331201423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18681755 + ... + 35172071.

It is an arithmetic number, because the mean of its divisors is an integer number (15320165034720).

Almost surely, 2^{444033331201421} is an apocalyptic number.

It is an amenable number.

444033331201421 is a deficient number, since it is larger than the sum of its proper divisors (46211949909619).

444033331201421 is a wasteful number, since it uses less digits than its factorization.

444033331201421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16490733.

The product of its (nonzero) digits is 82944, while the sum is 35.

Adding to 444033331201421 its reverse (124102133330444), we get a palindrome (568135464531865).

The spelling of 444033331201421 in words is "four hundred forty-four trillion, thirty-three billion, three hundred thirty-one million, two hundred one thousand, four hundred twenty-one".