4340412520 has 128 divisors (see below), whose sum is σ = 10238659200. Its totient is φ = 1654681600.

The previous prime is 4340412509. The next prime is 4340412523. The reversal of 4340412520 is 252140434.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (4340412523) 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, 19120647 + ... + 19120873.

It is an arithmetic number, because the mean of its divisors is an integer number (79989525).

Almost surely, 2^4340412520 is an apocalyptic number.

4340412520 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 4340412520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5119329600).

4340412520 is an abundant number, since it is smaller than the sum of its proper divisors (5898246680).

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

4340412520 is a wasteful number, since it uses less digits than its factorization.

4340412520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499 (or 495 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 4340412520 is about 65881.8072004708. The cubic root of 4340412520 is about 1631.2117302473.

Adding to 4340412520 its reverse (252140434), we get a palindrome (4592552954).

The spelling of 4340412520 in words is "four billion, three hundred forty million, four hundred twelve thousand, five hundred twenty".