49749276168 has 128 divisors (see below), whose sum is σ = 139726848000. Its totient is φ = 16399817280.

The previous prime is 49749276151. The next prime is 49749276169. The reversal of 49749276168 is 86167294794.

49749276168 is a `hidden beast` number, since 4 + 9 + 7 + 4 + 9 + 2 + 7 + 616 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (49749276169) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9077253 + ... + 9082731.

It is an arithmetic number, because the mean of its divisors is an integer number (1091616000).

Almost surely, 2^49749276168 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 49749276168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69863424000).

49749276168 is an abundant number, since it is smaller than the sum of its proper divisors (89977571832).

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

49749276168 is a wasteful number, since it uses less digits than its factorization.

49749276168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5952 (or 5942 counting only the distinct ones).

The product of its digits is 36578304, while the sum is 63.

The spelling of 49749276168 in words is "forty-nine billion, seven hundred forty-nine million, two hundred seventy-six thousand, one hundred sixty-eight".