404033421433 has 16 divisors (see below), whose sum is σ = 432130842000. Its totient is φ = 376423759872.

The previous prime is 404033421383. The next prime is 404033421497. The reversal of 404033421433 is 334124330404.

It can be written as a sum of positive squares in 8 ways, for example, as 16487330409 + 387546091024 = 128403^2 + 622532^2 .

It is a cyclic number.

It is not a de Polignac number, because 404033421433 - 2³⁷ = 266594467961 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 404033421395 and 404033421404.

It is not an unprimeable number, because it can be changed into a prime (404033421833) 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, 1878873 + ... + 2082841.

It is an arithmetic number, because the mean of its divisors is an integer number (27008177625).

Almost surely, 2^404033421433 is an apocalyptic number.

It is an amenable number.

404033421433 is a deficient number, since it is larger than the sum of its proper divisors (28097420567).

404033421433 is a wasteful number, since it uses less digits than its factorization.

404033421433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205164.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 404033421433 its reverse (334124330404), we get a palindrome (738157751837).

The spelling of 404033421433 in words is "four hundred four billion, thirty-three million, four hundred twenty-one thousand, four hundred thirty-three".