434040201220 has 24 divisors (see below), whose sum is σ = 926933313600. Its totient is φ = 170673434592.

The previous prime is 434040201191. The next prime is 434040201229. The reversal of 434040201220 is 22102040434.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 434040201191 and 434040201200.

It is not an unprimeable number, because it can be changed into a prime (434040201229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183914160 + ... + 183916519.

It is an arithmetic number, because the mean of its divisors is an integer number (38622221400).

Almost surely, 2^434040201220 is an apocalyptic number.

It is an amenable number.

434040201220 is an abundant number, since it is smaller than the sum of its proper divisors (492893112380).

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

434040201220 is a wasteful number, since it uses less digits than its factorization.

434040201220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367830747 (or 367830745 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 434040201220 its reverse (22102040434), we get a palindrome (456142241654).

The spelling of 434040201220 in words is "four hundred thirty-four billion, forty million, two hundred one thousand, two hundred twenty".