4565040 has 80 divisors (see below), whose sum is σ = 14784768. Its totient is φ = 1163008.

The previous prime is 4565039. The next prime is 4565047. The reversal of 4565040 is 405654.

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 a self number, because there is not a number n which added to its sum of digits gives 4565040.

It is not an unprimeable number, because it can be changed into a prime (4565047) 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, 5107 + ... + 5933.

Almost surely, 2^4565040 is an apocalyptic number.

4565040 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 4565040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7392384).

4565040 is an abundant number, since it is smaller than the sum of its proper divisors (10219728).

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

4565040 is a wasteful number, since it uses less digits than its factorization.

4565040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866 (or 860 counting only the distinct ones).

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

The square root of 4565040 is about 2136.5954226292. The cubic root of 4565040 is about 165.8879584586.

The spelling of 4565040 in words is "four million, five hundred sixty-five thousand, forty".