4320431450634 has 64 divisors (see below), whose sum is σ = 9450432714240. Its totient is φ = 1308690440640.

The previous prime is 4320431450633. The next prime is 4320431450669. The reversal of 4320431450634 is 4360541340234.

It is a super-2 number, since 2×4320431450634² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 4320431450592 and 4320431450601.

It is not an unprimeable number, because it can be changed into a prime (4320431450633) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7990069 + ... + 8513639.

It is an arithmetic number, because the mean of its divisors is an integer number (147663011160).

Almost surely, 2^{4320431450634} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4320431450634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4725216357120).

4320431450634 is an abundant number, since it is smaller than the sum of its proper divisors (5130001263606).

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

4320431450634 is a wasteful number, since it uses less digits than its factorization.

4320431450634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 525235.

The product of its (nonzero) digits is 414720, while the sum is 39.

Adding to 4320431450634 its reverse (4360541340234), we get a palindrome (8680972790868).

The spelling of 4320431450634 in words is "four trillion, three hundred twenty billion, four hundred thirty-one million, four hundred fifty thousand, six hundred thirty-four".