49939836922656 has 288 divisors, whose sum is σ = 153951578726400. Its totient is φ = 15905699447040.

The previous prime is 49939836922649. The next prime is 49939836922681. The reversal of 49939836922656 is 65622963893994.

It is a happy number.

49939836922656 is a `hidden beast` number, since 4 + 9 + 93 + 98 + 369 + 22 + 65 + 6 = 666.

49939836922656 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (288).

It is a super-2 number, since 2×49939836922656² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17732215 + ... + 20354633.

It is an arithmetic number, because the mean of its divisors is an integer number (534554092800).

Almost surely, 2^{49939836922656} 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 49939836922656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76975789363200).

49939836922656 is an abundant number, since it is smaller than the sum of its proper divisors (104011741803744).

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

49939836922656 is a wasteful number, since it uses less digits than its factorization.

49939836922656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2622554 (or 2622534 counting only the distinct ones).

The product of its digits is 8162933760, while the sum is 81.

The spelling of 49939836922656 in words is "forty-nine trillion, nine hundred thirty-nine billion, eight hundred thirty-six million, nine hundred twenty-two thousand, six hundred fifty-six".