4320513432 has 80 divisors (see below), whose sum is σ = 12120207000. Its totient is φ = 1437937920.

The previous prime is 4320513427. The next prime is 4320513443. The reversal of 4320513432 is 2343150234.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 4320513396 and 4320513405.

It is a congruent number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 442944 + ... + 452592.

Almost surely, 2^4320513432 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 4320513432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6060103500).

4320513432 is an abundant number, since it is smaller than the sum of its proper divisors (7799693568).

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

4320513432 is a wasteful number, since it uses less digits than its factorization.

4320513432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10358 (or 10345 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 4320513432 is about 65730.6125941330. The cubic root of 4320513432 is about 1628.7150891077.

Adding to 4320513432 its reverse (2343150234), we get a palindrome (6663663666).

The spelling of 4320513432 in words is "four billion, three hundred twenty million, five hundred thirteen thousand, four hundred thirty-two".