80004120 has 256 divisors, whose sum is σ = 296110080. Its totient is φ = 16896000.

The previous prime is 80004103. The next prime is 80004139. The reversal of 80004120 is 2140008.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 80004120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 792070 + ... + 792170.

It is an arithmetic number, because the mean of its divisors is an integer number (1156680).

Almost surely, 2^80004120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80004120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148055040).

80004120 is an abundant number, since it is smaller than the sum of its proper divisors (216105960).

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

80004120 is a wasteful number, since it uses less digits than its factorization.

80004120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186 (or 182 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 80004120 is about 8944.5022220356. The cubic root of 80004120 is about 430.8943347718.

Adding to 80004120 its reverse (2140008), we get a palindrome (82144128).

The spelling of 80004120 in words is "eighty million, four thousand, one hundred twenty".