434223240 has 128 divisors (see below), whose sum is σ = 1435605120. Its totient is φ = 104192000.

The previous prime is 434223239. The next prime is 434223247. The reversal of 434223240 is 42322434.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 434223240.

It is not an unprimeable number, because it can be changed into a prime (434223247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 131692 + ... + 134948.

It is an arithmetic number, because the mean of its divisors is an integer number (11215665).

Almost surely, 2^434223240 is an apocalyptic number.

434223240 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 434223240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (717802560).

434223240 is an abundant number, since it is smaller than the sum of its proper divisors (1001381880).

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

434223240 is a wasteful number, since it uses less digits than its factorization.

434223240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3383 (or 3379 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 434223240 is about 20838.0238986330. The cubic root of 434223240 is about 757.2472203867.

Adding to 434223240 its reverse (42322434), we get a palindrome (476545674).

The spelling of 434223240 in words is "four hundred thirty-four million, two hundred twenty-three thousand, two hundred forty".