49727666742 has 128 divisors (see below), whose sum is σ = 116638126080. Its totient is φ = 13996800000.

The previous prime is 49727666719. The next prime is 49727666753. The reversal of 49727666742 is 24766672794.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27610242 + ... + 27612042.

It is an arithmetic number, because the mean of its divisors is an integer number (911235360).

Almost surely, 2^49727666742 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49727666742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58319063040).

49727666742 is an abundant number, since it is smaller than the sum of its proper divisors (66910459338).

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

49727666742 is a wasteful number, since it uses less digits than its factorization.

49727666742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2470.

The product of its digits is 42674688, while the sum is 60.

The spelling of 49727666742 in words is "forty-nine billion, seven hundred twenty-seven million, six hundred sixty-six thousand, seven hundred forty-two".