49995858816 has 192 divisors, whose sum is σ = 152369493120. Its totient is φ = 15702230016.

The previous prime is 49995858797. The next prime is 49995858817. The reversal of 49995858816 is 61885859994.

49995858816 is a `hidden beast` number, since 499 + 9 + 5 + 8 + 58 + 81 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49995858817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1761151 + ... + 1789313.

It is an arithmetic number, because the mean of its divisors is an integer number (793591110).

Almost surely, 2^49995858816 is an apocalyptic number.

49995858816 is a gapful number since it is divisible by the number (46) 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 49995858816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76184746560).

49995858816 is an abundant number, since it is smaller than the sum of its proper divisors (102373634304).

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

49995858816 is a wasteful number, since it uses less digits than its factorization.

49995858816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28273 (or 28258 counting only the distinct ones).

The product of its digits is 223948800, while the sum is 72.

The spelling of 49995858816 in words is "forty-nine billion, nine hundred ninety-five million, eight hundred fifty-eight thousand, eight hundred sixteen".