4605440 has 80 divisors (see below), whose sum is σ = 12668832. Its totient is φ = 1572864.

The previous prime is 4605437. The next prime is 4605443. The reversal of 4605440 is 445064.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4605437) and next prime (4605443).

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4605443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17792 + ... + 18048.

Almost surely, 2^4605440 is an apocalyptic number.

4605440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4605440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6334416).

4605440 is an abundant number, since it is smaller than the sum of its proper divisors (8063392).

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

4605440 is an equidigital number, since it uses as much as digits as its factorization.

4605440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287 (or 271 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 4605440 is about 2146.0288907655. The cubic root of 4605440 is about 166.3758840791.

The spelling of 4605440 in words is "four million, six hundred five thousand, four hundred forty".