4522840 has 64 divisors (see below), whose sum is σ = 12052800. Its totient is φ = 1494528.

The previous prime is 4522831. The next prime is 4522841. The reversal of 4522840 is 482254.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4522841) 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, 7842 + ... + 8398.

It is an arithmetic number, because the mean of its divisors is an integer number (188325).

Almost surely, 2^4522840 is an apocalyptic number.

4522840 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 4522840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6026400).

4522840 is an abundant number, since it is smaller than the sum of its proper divisors (7529960).

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

4522840 is a wasteful number, since it uses less digits than its factorization.

4522840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604 (or 600 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 4522840 is about 2126.6969694811. The cubic root of 4522840 is about 165.3752097936.

The spelling of 4522840 in words is "four million, five hundred twenty-two thousand, eight hundred forty".