49209368064 has 80 divisors (see below), whose sum is σ = 131581697280. Its totient is φ = 16342456320.

The previous prime is 49209368063. The next prime is 49209368071. The reversal of 49209368064 is 46086390294.

It is a junction number, because it is equal to n+sod(n) for n = 49209367998 and 49209368016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49209368063) 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 7 ways as a sum of consecutive naturals, for example, 357147 + ... + 475365.

It is an arithmetic number, because the mean of its divisors is an integer number (1644771216).

Almost surely, 2^49209368064 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 49209368064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65790848640).

49209368064 is an abundant number, since it is smaller than the sum of its proper divisors (82372329216).

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

49209368064 is a wasteful number, since it uses less digits than its factorization.

49209368064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118511 (or 118495 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 51.

The spelling of 49209368064 in words is "forty-nine billion, two hundred nine million, three hundred sixty-eight thousand, sixty-four".