444000424420 has 48 divisors (see below), whose sum is σ = 1067248224000. Its totient is φ = 151993401984.

The previous prime is 444000424393. The next prime is 444000424421. The reversal of 444000424420 is 24424000444.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (444000424421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2360295 + ... + 2541454.

It is an arithmetic number, because the mean of its divisors is an integer number (22234338000).

Almost surely, 2^444000424420 is an apocalyptic number.

It is an amenable number.

444000424420 is an abundant number, since it is smaller than the sum of its proper divisors (623247799580).

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

444000424420 is a wasteful number, since it uses less digits than its factorization.

444000424420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4902412 (or 4902410 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 444000424420 its reverse (24424000444), we get a palindrome (468424424864).

The spelling of 444000424420 in words is "four hundred forty-four billion, four hundred twenty-four thousand, four hundred twenty".