49647966336 has 640 divisors, whose sum is σ = 168163205760. Its totient is φ = 14452162560.

The previous prime is 49647966317. The next prime is 49647966343. The reversal of 49647966336 is 63366974694.

It is a super-2 number, since 2×49647966336² (a number of 22 digits) contains 22 as substring.

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 79 ways as a sum of consecutive naturals, for example, 149993691 + ... + 149994021.

It is an arithmetic number, because the mean of its divisors is an integer number (262755009).

Almost surely, 2^49647966336 is an apocalyptic number.

49647966336 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49647966336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84081602880).

49647966336 is an abundant number, since it is smaller than the sum of its proper divisors (118515239424).

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

49647966336 is a wasteful number, since it uses less digits than its factorization.

49647966336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434 (or 413 counting only the distinct ones).

The product of its digits is 105815808, while the sum is 63.

The spelling of 49647966336 in words is "forty-nine billion, six hundred forty-seven million, nine hundred sixty-six thousand, three hundred thirty-six".