434401404020 has 12 divisors (see below), whose sum is σ = 912242948484. Its totient is φ = 173760561600.

The previous prime is 434401404007. The next prime is 434401404037. The reversal of 434401404020 is 20404104434.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 206295823204 + 228105580816 = 454198^2 + 477604^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10860035081 + ... + 10860035120.

It is an arithmetic number, because the mean of its divisors is an integer number (76020245707).

Almost surely, 2^434401404020 is an apocalyptic number.

It is an amenable number.

434401404020 is an abundant number, since it is smaller than the sum of its proper divisors (477841544464).

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

434401404020 is a wasteful number, since it uses less digits than its factorization.

434401404020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21720070210 (or 21720070208 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 434401404020 its reverse (20404104434), we get a palindrome (454805508454).

The spelling of 434401404020 in words is "four hundred thirty-four billion, four hundred one million, four hundred four thousand, twenty".