4505280 has 168 divisors, whose sum is σ = 16258032. Its totient is φ = 1050624.

The previous prime is 4505257. The next prime is 4505287. The reversal of 4505280 is 825054.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 4505280.

It is not an unprimeable number, because it can be changed into a prime (4505287) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 237111 + ... + 237129.

It is an arithmetic number, because the mean of its divisors is an integer number (96774).

Almost surely, 2^4505280 is an apocalyptic number.

4505280 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 4505280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8129016).

4505280 is an abundant number, since it is smaller than the sum of its proper divisors (11752752).

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

4505280 is a wasteful number, since it uses less digits than its factorization.

4505280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71 (or 42 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 4505280 is about 2122.5644866529. The cubic root of 4505280 is about 165.1609082285.

The spelling of 4505280 in words is "four million, five hundred five thousand, two hundred eighty".