80426420800 has 84 divisors (see below), whose sum is σ = 215890150896.
Its totient is φ = 29245964800.
The previous prime is 80426420791. The next prime is 80426420857. The reversal of 80426420800 is 802462408.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2267242 + ... + 2302441.
It is an arithmetic number, because the mean of its divisors is an integer number (2570120844).
Almost surely, 280426420800 is an apocalyptic number.
80426420800 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
80426420800 is an abundant number, since it is smaller than the sum of its proper divisors (135463730096).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80426420800 is a wasteful number, since it uses less digits than its factorization.
80426420800 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4569716 (or 4569701 counting only the distinct ones).
The product of its (nonzero) digits is 24576, while the sum is 34.
The spelling of 80426420800 in words is "eighty billion, four hundred twenty-six million, four hundred twenty thousand, eight hundred".