49688672256 has 144 divisors (see below), whose sum is σ = 147390679800. Its totient is φ = 16115023872.

The previous prime is 49688672237. The next prime is 49688672269. The reversal of 49688672256 is 65227688694.

49688672256 is a `hidden beast` number, since 496 + 88 + 67 + 2 + 2 + 5 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a junction number, because it is equal to n+sod(n) for n = 49688672193 and 49688672202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 645555 + ... + 718413.

Almost surely, 2^49688672256 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 49688672256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73695339900).

49688672256 is an abundant number, since it is smaller than the sum of its proper divisors (97702007544).

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

49688672256 is a wasteful number, since it uses less digits than its factorization.

49688672256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72924 (or 72901 counting only the distinct ones).

The product of its digits is 69672960, while the sum is 63.

The spelling of 49688672256 in words is "forty-nine billion, six hundred eighty-eight million, six hundred seventy-two thousand, two hundred fifty-six".