441420040001 has 4 divisors (see below), whose sum is σ = 441441080004. Its totient is φ = 441399000000.

The previous prime is 441420039989. The next prime is 441420040013. The reversal of 441420040001 is 100040024144.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (441420039989) and next prime (441420040013).

It can be written as a sum of positive squares in 2 ways, for example, as 285433747600 + 155986292401 = 534260^2 + 394951^2 .

It is a cyclic number.

It is not a de Polignac number, because 441420040001 - 2³⁸ = 166542133057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (441420040031) 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, 10488500 + ... + 10530501.

It is an arithmetic number, because the mean of its divisors is an integer number (110360270001).

Almost surely, 2^441420040001 is an apocalyptic number.

It is an amenable number.

441420040001 is a deficient number, since it is larger than the sum of its proper divisors (21040003).

441420040001 is a wasteful number, since it uses less digits than its factorization.

441420040001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21040002.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 441420040001 its reverse (100040024144), we get a palindrome (541460064145).

The spelling of 441420040001 in words is "four hundred forty-one billion, four hundred twenty million, forty thousand, one".