404441423401 has 8 divisors (see below), whose sum is σ = 414316098504. Its totient is φ = 394567236480.

The previous prime is 404441423377. The next prime is 404441423411. The reversal of 404441423401 is 104324144404.

It can be written as a sum of positive squares in 4 ways, for example, as 157085395600 + 247356027801 = 396340^2 + 497349^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 404441423401 - 2¹⁷ = 404441292329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404441423411) 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, 1999995 + ... + 2192911.

It is an arithmetic number, because the mean of its divisors is an integer number (51789512313).

Almost surely, 2^404441423401 is an apocalyptic number.

404441423401 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

404441423401 is a deficient number, since it is larger than the sum of its proper divisors (9874675103).

404441423401 is a wasteful number, since it uses less digits than its factorization.

404441423401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244091.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 404441423401 its reverse (104324144404), we get a palindrome (508765567805).

The spelling of 404441423401 in words is "four hundred four billion, four hundred forty-one million, four hundred twenty-three thousand, four hundred one".