4265520 has 80 divisors (see below), whose sum is σ = 15118080. Its totient is φ = 974592.

The previous prime is 4265489. The next prime is 4265537. The reversal of 4265520 is 255624.

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

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 411 + ... + 2949.

It is an arithmetic number, because the mean of its divisors is an integer number (188976).

Almost surely, 2^4265520 is an apocalyptic number.

4265520 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 4265520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7559040).

4265520 is an abundant number, since it is smaller than the sum of its proper divisors (10852560).

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

4265520 is a wasteful number, since it uses less digits than its factorization.

4265520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2562 (or 2556 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 4265520 is about 2065.3135355195. The cubic root of 4265520 is about 162.1775222087.

The spelling of 4265520 in words is "four million, two hundred sixty-five thousand, five hundred twenty".