84932520040 has 32 divisors (see below), whose sum is σ = 192990240360. Its totient is φ = 33636640000.

The previous prime is 84932520011. The next prime is 84932520053. The reversal of 84932520040 is 4002523948.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 81016513956 + 3916006084 = 284634^2 + 62578^2 .

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, 10507411 + ... + 10515490.

Almost surely, 2^84932520040 is an apocalyptic number.

It is an amenable number.

84932520040 is an abundant number, since it is smaller than the sum of its proper divisors (108057720320).

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

84932520040 is a wasteful number, since it uses less digits than its factorization.

84932520040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21023013 (or 21023009 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 84932520040 in words is "eighty-four billion, nine hundred thirty-two million, five hundred twenty thousand, forty".