4066880 has 56 divisors (see below), whose sum is σ = 9875520. Its totient is φ = 1594880.

The previous prime is 4066879. The next prime is 4066891. The reversal of 4066880 is 886604.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 22631 + ... + 22809.

Almost surely, 2^4066880 is an apocalyptic number.

4066880 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 4066880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4937760).

4066880 is an abundant number, since it is smaller than the sum of its proper divisors (5808640).

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

4066880 is a wasteful number, since it uses less digits than its factorization.

4066880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267 (or 257 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 4066880 is about 2016.6506886419. The cubic root of 4066880 is about 159.6199312215.

The spelling of 4066880 in words is "four million, sixty-six thousand, eight hundred eighty".