4321545340 has 48 divisors (see below), whose sum is σ = 10441368000. Its totient is φ = 1471721472.

The previous prime is 4321545311. The next prime is 4321545341. The reversal of 4321545340 is 435451234.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4321545341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82725 + ... + 124444.

It is an arithmetic number, because the mean of its divisors is an integer number (217528500).

Almost surely, 2^4321545340 is an apocalyptic number.

It is an amenable number.

4321545340 is an abundant number, since it is smaller than the sum of its proper divisors (6119822660).

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

4321545340 is a wasteful number, since it uses less digits than its factorization.

4321545340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207334 (or 207332 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 4321545340 is about 65738.4616491746. The cubic root of 4321545340 is about 1628.8447457924.

Adding to 4321545340 its reverse (435451234), we get a palindrome (4756996574).

The spelling of 4321545340 in words is "four billion, three hundred twenty-one million, five hundred forty-five thousand, three hundred forty".