4529840 has 40 divisors (see below), whose sum is σ = 12037920. Its totient is φ = 1552896.

The previous prime is 4529839. The next prime is 4529851. The reversal of 4529840 is 489254.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 4529797 and 4529806.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3485 + ... + 4604.

It is an arithmetic number, because the mean of its divisors is an integer number (300948).

Almost surely, 2^4529840 is an apocalyptic number.

4529840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4529840 is an abundant number, since it is smaller than the sum of its proper divisors (7508080).

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

4529840 is a wasteful number, since it uses less digits than its factorization.

4529840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8109 (or 8103 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 4529840 is about 2128.3420777685. The cubic root of 4529840 is about 165.4604828936.

The spelling of 4529840 in words is "four million, five hundred twenty-nine thousand, eight hundred forty".