444000420401 has 4 divisors (see below), whose sum is σ = 467368863600. Its totient is φ = 420631977204.

The previous prime is 444000420389. The next prime is 444000420469. The reversal of 444000420401 is 104024000444.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 444000420401 - 2¹⁸ = 444000158257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444000420301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11684221571 + ... + 11684221608.

It is an arithmetic number, because the mean of its divisors is an integer number (116842215900).

Almost surely, 2^444000420401 is an apocalyptic number.

It is an amenable number.

444000420401 is a deficient number, since it is larger than the sum of its proper divisors (23368443199).

444000420401 is a wasteful number, since it uses less digits than its factorization.

444000420401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23368443198.

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 444000420401 its reverse (104024000444), we get a palindrome (548024420845).

The spelling of 444000420401 in words is "four hundred forty-four billion, four hundred twenty thousand, four hundred one".