49988862978048 has 144 divisors (see below), whose sum is σ = 145125091680660. Its totient is φ = 16576616595456.

The previous prime is 49988862978017. The next prime is 49988862978139. The reversal of 49988862978048 is 84087926888994.

49988862978048 is a `hidden beast` number, since 4 + 99 + 88 + 86 + 297 + 80 + 4 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 49872521954304 + 116341023744 = 7062048^2 + 341088^2 .

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

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, 3468711 + ... + 10583462.

Almost surely, 2^{49988862978048} is an apocalyptic number.

49988862978048 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

49988862978048 is an abundant number, since it is smaller than the sum of its proper divisors (95136228702612).

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

49988862978048 is a wasteful number, since it uses less digits than its factorization.

49988862978048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14052394 (or 14052371 counting only the distinct ones).

The product of its (nonzero) digits is 32105299968, while the sum is 90.

The spelling of 49988862978048 in words is "forty-nine trillion, nine hundred eighty-eight billion, eight hundred sixty-two million, nine hundred seventy-eight thousand, forty-eight".