4585440 has 96 divisors (see below), whose sum is σ = 14859936. Its totient is φ = 1187840.

The previous prime is 4585439. The next prime is 4585453. The reversal of 4585440 is 445854.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 4585398 and 4585407.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19564 + ... + 19796.

It is an arithmetic number, because the mean of its divisors is an integer number (154791).

Almost surely, 2^4585440 is an apocalyptic number.

4585440 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 4585440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7429968).

4585440 is an abundant number, since it is smaller than the sum of its proper divisors (10274496).

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

4585440 is a wasteful number, since it uses less digits than its factorization.

4585440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292 (or 284 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

The square root of 4585440 is about 2141.3640512533. The cubic root of 4585440 is about 166.1346949542.

The spelling of 4585440 in words is "four million, five hundred eighty-five thousand, four hundred forty".