4321420032 has 72 divisors (see below), whose sum is σ = 11812202416. Its totient is φ = 1401532416.

The previous prime is 4321420027. The next prime is 4321420091. The reversal of 4321420032 is 2300241234.

It is a junction number, because it is equal to n+sod(n) for n = 4321419990 and 4321420008.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47623 + ... + 104454.

Almost surely, 2^4321420032 is an apocalyptic number.

It is an amenable number.

4321420032 is an abundant number, since it is smaller than the sum of its proper divisors (7490782384).

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

4321420032 is a wasteful number, since it uses less digits than its factorization.

4321420032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152133 (or 152119 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 4321420032 is about 65737.5085624638. The cubic root of 4321420032 is about 1628.8290022536.

Adding to 4321420032 its reverse (2300241234), we get a palindrome (6621661266).

It can be divided in two parts, 432 and 1420032, that multiplied together give a square (613453824 = 24768²).

The spelling of 4321420032 in words is "four billion, three hundred twenty-one million, four hundred twenty thousand, thirty-two".