49806356992 has 80 divisors (see below), whose sum is σ = 114836971392. Its totient is φ = 21138186240.

The previous prime is 49806356989. The next prime is 49806356993. The reversal of 49806356992 is 29965360894.

It is a self number, because there is not a number n which added to its sum of digits gives 49806356992.

It is not an unprimeable number, because it can be changed into a prime (49806356993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 301692 + ... + 436612.

Almost surely, 2^49806356992 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 49806356992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57418485696).

49806356992 is an abundant number, since it is smaller than the sum of its proper divisors (65030614400).

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

49806356992 is a wasteful number, since it uses less digits than its factorization.

49806356992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135049 (or 135033 counting only the distinct ones).

The product of its (nonzero) digits is 25194240, while the sum is 61.

The spelling of 49806356992 in words is "forty-nine billion, eight hundred six million, three hundred fifty-six thousand, nine hundred ninety-two".