4066480 has 40 divisors (see below), whose sum is σ = 10316304. Its totient is φ = 1478400.

The previous prime is 4066453. The next prime is 4066507. The reversal of 4066480 is 846604.

It is an interprime number because it is at equal distance from previous prime (4066453) and next prime (4066507).

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

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 1431 + ... + 3190.

Almost surely, 2^4066480 is an apocalyptic number.

4066480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4066480 is an abundant number, since it is smaller than the sum of its proper divisors (6249824).

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

4066480 is a wasteful number, since it uses less digits than its factorization.

4066480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4645 (or 4639 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 4066480 is about 2016.5515118638. The cubic root of 4066480 is about 159.6146978841.

It can be divided in two parts, 406 and 6480, that added together give a palindrome (6886).

The spelling of 4066480 in words is "four million, sixty-six thousand, four hundred eighty".