49939239168 has 432 divisors, whose sum is σ = 187652739456. Its totient is φ = 12395151360.

The previous prime is 49939239167. The next prime is 49939239211. The reversal of 49939239168 is 86193293994.

49939239168 is a `hidden beast` number, since 499 + 39 + 23 + 91 + 6 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (49939239167) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3557283 + ... + 3571293.

Almost surely, 2^49939239168 is an apocalyptic number.

49939239168 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49939239168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93826369728).

49939239168 is an abundant number, since it is smaller than the sum of its proper divisors (137713500288).

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

49939239168 is a wasteful number, since it uses less digits than its factorization.

49939239168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14070 (or 14053 counting only the distinct ones).

The product of its digits is 22674816, while the sum is 63.

The spelling of 49939239168 in words is "forty-nine billion, nine hundred thirty-nine million, two hundred thirty-nine thousand, one hundred sixty-eight".