4485040 has 40 divisors (see below), whose sum is σ = 11918880. Its totient is φ = 1537536.

The previous prime is 4485001. The next prime is 4485043. The reversal of 4485040 is 405844.

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 = 4484996 and 4485014.

It is not an unprimeable number, because it can be changed into a prime (4485043) by changing a digit.

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, 3445 + ... + 4564.

It is an arithmetic number, because the mean of its divisors is an integer number (297972).

Almost surely, 2^4485040 is an apocalyptic number.

4485040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4485040 is an abundant number, since it is smaller than the sum of its proper divisors (7433840).

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

4485040 is a wasteful number, since it uses less digits than its factorization.

4485040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8029 (or 8023 counting only the distinct ones).

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

The square root of 4485040 is about 2117.7913022770. The cubic root of 4485040 is about 164.9132081041.

The spelling of 4485040 in words is "four million, four hundred eighty-five thousand, forty".