50640726786048 has 1440 divisors, whose sum is σ = 183479217292800. Its totient is φ = 13168269066240.

The previous prime is 50640726786047. The next prime is 50640726786073. The reversal of 50640726786048 is 84068762704605.

50640726786048 is a `hidden beast` number, since 50 + 6 + 407 + 2 + 67 + 86 + 0 + 48 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (50640726786047) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 369640341436 + ... + 369640341572.

It is an arithmetic number, because the mean of its divisors is an integer number (127416123120).

Almost surely, 2^{50640726786048} 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 50640726786048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91739608646400).

50640726786048 is an abundant number, since it is smaller than the sum of its proper divisors (132838490506752).

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

50640726786048 is an equidigital number, since it uses as much as digits as its factorization.

50640726786048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257 (or 199 counting only the distinct ones).

The product of its (nonzero) digits is 108380160, while the sum is 63.

The spelling of 50640726786048 in words is "fifty trillion, six hundred forty billion, seven hundred twenty-six million, seven hundred eighty-six thousand, forty-eight".