4305540 has 48 divisors (see below), whose sum is σ = 12233088. Its totient is φ = 1131264.

The previous prime is 4305527. The next prime is 4305569. The reversal of 4305540 is 455034.

It is a happy number.

4305540 is nontrivially palindromic in base 14.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3889 + ... + 4871.

It is an arithmetic number, because the mean of its divisors is an integer number (254856).

Almost surely, 2^4305540 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 4305540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6116544).

4305540 is an abundant number, since it is smaller than the sum of its proper divisors (7927548).

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

4305540 is a wasteful number, since it uses less digits than its factorization.

4305540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068 (or 1066 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 4305540 is about 2074.9795179712. The cubic root of 4305540 is about 162.6831386915.

The spelling of 4305540 in words is "four million, three hundred five thousand, five hundred forty".