80481433818 has 8 divisors (see below), whose sum is σ = 160962867648. Its totient is φ = 26827144604.

The previous prime is 80481433811. The next prime is 80481433843. The reversal of 80481433818 is 81833418408.

It is a sphenic number, since it is the product of 3 distinct primes.

80481433818 is an admirable number.

It is a super-2 number, since 2×80481433818² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80481433811) 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, 6706786146 + ... + 6706786157.

It is an arithmetic number, because the mean of its divisors is an integer number (20120358456).

Almost surely, 2^80481433818 is an apocalyptic number.

80481433818 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

80481433818 is a wasteful number, since it uses less digits than its factorization.

80481433818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13413572308.

The product of its (nonzero) digits is 589824, while the sum is 48.

The spelling of 80481433818 in words is "eighty billion, four hundred eighty-one million, four hundred thirty-three thousand, eight hundred eighteen".