4485520 has 80 divisors (see below), whose sum is σ = 11874240. Its totient is φ = 1562112.

The previous prime is 4485497. The next prime is 4485527. The reversal of 4485520 is 255844.

4485520 = T₁₉₅ + T₁₉₆ + ... + T₃₂₄.

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

It is not an unprimeable number, because it can be changed into a prime (4485527) 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, 19647 + ... + 19873.

It is an arithmetic number, because the mean of its divisors is an integer number (148428).

Almost surely, 2^4485520 is an apocalyptic number.

4485520 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 4485520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5937120).

4485520 is an abundant number, since it is smaller than the sum of its proper divisors (7388720).

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

4485520 is a wasteful number, since it uses less digits than its factorization.

4485520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272 (or 266 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 4485520 is about 2117.9046248592. The cubic root of 4485520 is about 164.9190910331.

It can be divided in two parts, 4485 and 520, that added together give a palindrome (5005).

The spelling of 4485520 in words is "four million, four hundred eighty-five thousand, five hundred twenty".