444024110421 has 40 divisors (see below), whose sum is σ = 687967418424. Its totient is φ = 285163804800.

The previous prime is 444024110419. The next prime is 444024110447. The reversal of 444024110421 is 124011420444.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 205108446321 + 238915664100 = 452889^2 + 488790^2 .

It is not a de Polignac number, because 444024110421 - 2¹ = 444024110419 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444024110471) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 430750 + ... + 1036143.

Almost surely, 2^444024110421 is an apocalyptic number.

It is an amenable number.

444024110421 is a deficient number, since it is larger than the sum of its proper divisors (243943308003).

444024110421 is a wasteful number, since it uses less digits than its factorization.

444024110421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467043 (or 1467034 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

Adding to 444024110421 its reverse (124011420444), we get a palindrome (568035530865).

The spelling of 444024110421 in words is "four hundred forty-four billion, twenty-four million, one hundred ten thousand, four hundred twenty-one".