434143340420 has 24 divisors (see below), whose sum is σ = 912361247448. Its totient is φ = 173531577600.

The previous prime is 434143340347. The next prime is 434143340437. The reversal of 434143340420 is 24043341434.

It can be written as a sum of positive squares in 4 ways, for example, as 12622971904 + 421520368516 = 112352^2 + 649246^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7831601 + ... + 7886840.

It is an arithmetic number, because the mean of its divisors is an integer number (38015051977).

Almost surely, 2^434143340420 is an apocalyptic number.

It is an amenable number.

434143340420 is an abundant number, since it is smaller than the sum of its proper divisors (478217907028).

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

434143340420 is a wasteful number, since it uses less digits than its factorization.

434143340420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15719831 (or 15719829 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 434143340420 its reverse (24043341434), we get a palindrome (458186681854).

The spelling of 434143340420 in words is "four hundred thirty-four billion, one hundred forty-three million, three hundred forty thousand, four hundred twenty".