49895943064 has 128 divisors (see below), whose sum is σ = 106002432000. Its totient is φ = 21824524800.

The previous prime is 49895943047. The next prime is 49895943077. The reversal of 49895943064 is 46034959894.

It is a junction number, because it is equal to n+sod(n) for n = 49895942993 and 49895943011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70374742 + ... + 70375450.

It is an arithmetic number, because the mean of its divisors is an integer number (828144000).

Almost surely, 2^49895943064 is an apocalyptic number.

49895943064 is a gapful number since it is divisible by the number (44) 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 49895943064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53001216000).

49895943064 is an abundant number, since it is smaller than the sum of its proper divisors (56106488936).

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

49895943064 is a wasteful number, since it uses less digits than its factorization.

49895943064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049 (or 1045 counting only the distinct ones).

The product of its (nonzero) digits is 33592320, while the sum is 61.

The spelling of 49895943064 in words is "forty-nine billion, eight hundred ninety-five million, nine hundred forty-three thousand, sixty-four".