4321451320 has 16 divisors (see below), whose sum is σ = 9723265560. Its totient is φ = 1728580512.

The previous prime is 4321451311. The next prime is 4321451339. The reversal of 4321451320 is 231541234.

It is a super-2 number, since 2×4321451320² = 37349883022259484800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54018102 + ... + 54018181.

Almost surely, 2^4321451320 is an apocalyptic number.

4321451320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4321451320 is an abundant number, since it is smaller than the sum of its proper divisors (5401814240).

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

4321451320 is a wasteful number, since it uses less digits than its factorization.

4321451320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108036294 (or 108036290 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 4321451320 is about 65737.7465388037. The cubic root of 4321451320 is about 1628.8329332669.

Adding to 4321451320 its reverse (231541234), we get a palindrome (4552992554).

The spelling of 4321451320 in words is "four billion, three hundred twenty-one million, four hundred fifty-one thousand, three hundred twenty".