404234134330 has 64 divisors (see below), whose sum is σ = 849922422048. Its totient is φ = 137049661440.

The previous prime is 404234134327. The next prime is 404234134391. The reversal of 404234134330 is 33431432404.

It can be written as a sum of positive squares in 16 ways, for example, as 32318331529 + 371915802801 = 179773^2 + 609849^2 .

It is a junction number, because it is equal to n+sod(n) for n = 404234134292 and 404234134301.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2140017 + ... + 2321236.

Almost surely, 2^404234134330 is an apocalyptic number.

404234134330 is an abundant number, since it is smaller than the sum of its proper divisors (445688287718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404234134330 is a wasteful number, since it uses less digits than its factorization.

404234134330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4461331.

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

Adding to 404234134330 its reverse (33431432404), we get a palindrome (437665566734).

The spelling of 404234134330 in words is "four hundred four billion, two hundred thirty-four million, one hundred thirty-four thousand, three hundred thirty".