49127820491790 has 96 divisors (see below), whose sum is σ = 130947881946336. Its totient is φ = 12771441285120.

The previous prime is 49127820491767. The next prime is 49127820491821. The reversal of 49127820491790 is 9719402872194.

49127820491790 is a `hidden beast` number, since 4 + 9 + 1 + 2 + 78 + 2 + 0 + 491 + 79 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 270427 + ... + 9916086.

It is an arithmetic number, because the mean of its divisors is an integer number (1364040436941).

Almost surely, 2^{49127820491790} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49127820491790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65473940973168).

49127820491790 is an abundant number, since it is smaller than the sum of its proper divisors (81820061454546).

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

49127820491790 is a wasteful number, since it uses less digits than its factorization.

49127820491790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10187874 (or 10187871 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 63.

The spelling of 49127820491790 in words is "forty-nine trillion, one hundred twenty-seven billion, eight hundred twenty million, four hundred ninety-one thousand, seven hundred ninety".