4080080 has 20 divisors (see below), whose sum is σ = 9486372. Its totient is φ = 1632000.

The previous prime is 4080077. The next prime is 4080103. The reversal of 4080080 is 800804.

It can be written as a sum of positive squares in 2 ways, for example, as 2421136 + 1658944 = 1556^2 + 1288^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a Smith number, since the sum of its digits (20) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25421 + ... + 25580.

Almost surely, 2^4080080 is an apocalyptic number.

4080080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4080080 is an abundant number, since it is smaller than the sum of its proper divisors (5406292).

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

4080080 is a wasteful number, since it uses less digits than its factorization.

4080080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51014 (or 51008 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 4080080 is about 2019.9207905262. The cubic root of 4080080 is about 159.7924391905.

Adding to 4080080 its reverse (800804), we get a palindrome (4880884).

The spelling of 4080080 in words is "four million, eighty thousand, eighty".