80257128144 has 40 divisors (see below), whose sum is σ = 218243070240. Its totient is φ = 25344355968.

The previous prime is 80257128103. The next prime is 80257128151. The reversal of 80257128144 is 44182175208.

It is a super-3 number, since 3×80257128144³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 80257128096 and 80257128105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43999707 + ... + 44001530.

It is an arithmetic number, because the mean of its divisors is an integer number (5456076756).

Almost surely, 2^80257128144 is an apocalyptic number.

It is an amenable number.

80257128144 is an abundant number, since it is smaller than the sum of its proper divisors (137985942096).

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

80257128144 is a wasteful number, since it uses less digits than its factorization.

80257128144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88001267 (or 88001261 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 42.

The spelling of 80257128144 in words is "eighty billion, two hundred fifty-seven million, one hundred twenty-eight thousand, one hundred forty-four".