49687884432 has 100 divisors (see below), whose sum is σ = 143887834860. Its totient is φ = 16553797632.

The previous prime is 49687884431. The next prime is 49687884443. The reversal of 49687884432 is 23448878694.

49687884432 is a `hidden beast` number, since 49 + 6 + 87 + 8 + 84 + 432 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 20026778256 + 29661106176 = 141516^2 + 172224^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 49687884432.

It is not an unprimeable number, because it can be changed into a prime (49687884431) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2698168 + ... + 2716520.

Almost surely, 2^49687884432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49687884432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71943917430).

49687884432 is an abundant number, since it is smaller than the sum of its proper divisors (94199950428).

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

49687884432 is a wasteful number, since it uses less digits than its factorization.

49687884432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20462 (or 20447 counting only the distinct ones).

The product of its digits is 74317824, while the sum is 63.

The spelling of 49687884432 in words is "forty-nine billion, six hundred eighty-seven million, eight hundred eighty-four thousand, four hundred thirty-two".