4581040 has 40 divisors (see below), whose sum is σ = 10744848. Its totient is φ = 1816320.

The previous prime is 4581037. The next prime is 4581067. The reversal of 4581040 is 401854.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13675 + ... + 14005.

Almost surely, 2^4581040 is an apocalyptic number.

4581040 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 4581040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5372424).

4581040 is an abundant number, since it is smaller than the sum of its proper divisors (6163808).

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

4581040 is a wasteful number, since it uses less digits than its factorization.

4581040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517 (or 511 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 4581040 is about 2140.3364221542. The cubic root of 4581040 is about 166.0815392707.

Adding to 4581040 its reverse (401854), we get a palindrome (4982894).

The spelling of 4581040 in words is "four million, five hundred eighty-one thousand, forty".