49512228668 has 72 divisors (see below), whose sum is σ = 104654616192. Its totient is φ = 20075011488.

The previous prime is 49512228607. The next prime is 49512228679. The reversal of 49512228668 is 86682221594.

49512228668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8356355 + ... + 8362277.

It is an arithmetic number, because the mean of its divisors is an integer number (1453536336).

Almost surely, 2^49512228668 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 49512228668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52327308096).

49512228668 is an abundant number, since it is smaller than the sum of its proper divisors (55142387524).

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

49512228668 is a wasteful number, since it uses less digits than its factorization.

49512228668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6799 (or 6778 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 53.

The spelling of 49512228668 in words is "forty-nine billion, five hundred twelve million, two hundred twenty-eight thousand, six hundred sixty-eight".