80524852440 has 32 divisors (see below), whose sum is σ = 241574557680. Its totient is φ = 21473293952.

The previous prime is 80524852427. The next prime is 80524852501. The reversal of 80524852440 is 4425842508.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 80524852392 and 80524852401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335520099 + ... + 335520338.

Almost surely, 2^80524852440 is an apocalyptic number.

It is an amenable number.

80524852440 is an abundant number, since it is smaller than the sum of its proper divisors (161049705240).

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

80524852440 is a wasteful number, since it uses less digits than its factorization.

80524852440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671040451 (or 671040447 counting only the distinct ones).

The product of its (nonzero) digits is 409600, while the sum is 42.

The spelling of 80524852440 in words is "eighty billion, five hundred twenty-four million, eight hundred fifty-two thousand, four hundred forty".