80418646120 has 16 divisors (see below), whose sum is σ = 180941953860. Its totient is φ = 32167458432.

The previous prime is 80418646111. The next prime is 80418646123. The reversal of 80418646120 is 2164681408.

It can be written as a sum of positive squares in 2 ways, for example, as 75171382276 + 5247263844 = 274174^2 + 72438^2 .

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 2010466153 = 80418646120 / (8 + 0 + 4 + 1 + 8 + 6 + 4 + 6 + 1 + 2 + 0).

It is not an unprimeable number, because it can be changed into a prime (80418646123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1005233037 + ... + 1005233116.

Almost surely, 2^80418646120 is an apocalyptic number.

It is an amenable number.

80418646120 is an abundant number, since it is smaller than the sum of its proper divisors (100523307740).

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

80418646120 is a wasteful number, since it uses less digits than its factorization.

80418646120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2010466164 (or 2010466160 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The spelling of 80418646120 in words is "eighty billion, four hundred eighteen million, six hundred forty-six thousand, one hundred twenty".