434144520 has 96 divisors (see below), whose sum is σ = 1413659520. Its totient is φ = 115551360.

The previous prime is 434144519. The next prime is 434144567. The reversal of 434144520 is 25441434.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 291217 + ... + 292703.

It is an arithmetic number, because the mean of its divisors is an integer number (14725620).

Almost surely, 2^434144520 is an apocalyptic number.

434144520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 434144520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (706829760).

434144520 is an abundant number, since it is smaller than the sum of its proper divisors (979515000).

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

434144520 is a wasteful number, since it uses less digits than its factorization.

434144520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2315 (or 2308 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 434144520 is about 20836.1349582882. The cubic root of 434144520 is about 757.2014573641.

Adding to 434144520 its reverse (25441434), we get a palindrome (459585954).

The spelling of 434144520 in words is "four hundred thirty-four million, one hundred forty-four thousand, five hundred twenty".