49688685576 has 256 divisors, whose sum is σ = 145035360000. Its totient is φ = 15746088960.

The previous prime is 49688685517. The next prime is 49688685587. The reversal of 49688685576 is 67558688694.

It is a happy number.

49688685576 is a `hidden beast` number, since 4 + 9 + 6 + 8 + 8 + 68 + 557 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 110665000 + ... + 110665448.

It is an arithmetic number, because the mean of its divisors is an integer number (566544375).

Almost surely, 2^49688685576 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 49688685576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72517680000).

49688685576 is an abundant number, since it is smaller than the sum of its proper divisors (95346674424).

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

49688685576 is a wasteful number, since it uses less digits than its factorization.

49688685576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789 (or 779 counting only the distinct ones).

The product of its digits is 696729600, while the sum is 72.

The spelling of 49688685576 in words is "forty-nine billion, six hundred eighty-eight million, six hundred eighty-five thousand, five hundred seventy-six".