434343521220 has 384 divisors, whose sum is σ = 1444158858240. Its totient is φ = 95480709120.

The previous prime is 434343521081. The next prime is 434343521231. The reversal of 434343521220 is 22125343434.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 763345096 + ... + 763345664.

It is an arithmetic number, because the mean of its divisors is an integer number (3760830360).

Almost surely, 2^434343521220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 434343521220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (722079429120).

434343521220 is an abundant number, since it is smaller than the sum of its proper divisors (1009815337020).

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

434343521220 is a wasteful number, since it uses less digits than its factorization.

434343521220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183 (or 1181 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 33.

Adding to 434343521220 its reverse (22125343434), we get a palindrome (456468864654).

The spelling of 434343521220 in words is "four hundred thirty-four billion, three hundred forty-three million, five hundred twenty-one thousand, two hundred twenty".