404433402101 has 4 divisors (see below), whose sum is σ = 404454297612. Its totient is φ = 404412506592.

The previous prime is 404433402077. The next prime is 404433402137. The reversal of 404433402101 is 101204334404.

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

It can be written as a sum of positive squares in 2 ways, for example, as 93767626225 + 310665775876 = 306215^2 + 557374^2 .

It is a cyclic number.

It is not a de Polignac number, because 404433402101 - 2³⁴ = 387253532917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404433402181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10418696 + ... + 10457441.

It is an arithmetic number, because the mean of its divisors is an integer number (101113574403).

Almost surely, 2^404433402101 is an apocalyptic number.

It is an amenable number.

404433402101 is a deficient number, since it is larger than the sum of its proper divisors (20895511).

404433402101 is a wasteful number, since it uses less digits than its factorization.

404433402101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20895510.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 404433402101 its reverse (101204334404), we get a palindrome (505637736505).

The spelling of 404433402101 in words is "four hundred four billion, four hundred thirty-three million, four hundred two thousand, one hundred one".