49893397072 has 40 divisors (see below), whose sum is σ = 100239778440. Its totient is φ = 24029160960.

The previous prime is 49893397061. The next prime is 49893397091. The reversal of 49893397072 is 27079339894.

It can be written as a sum of positive squares in 4 ways, for example, as 314140176 + 49579256896 = 17724^2 + 222664^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 49893397072.

It is a congruent number.

It is an unprimeable number.

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, 67638 + ... + 323050.

It is an arithmetic number, because the mean of its divisors is an integer number (2505994461).

Almost surely, 2^49893397072 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 49893397072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50119889220).

49893397072 is an abundant number, since it is smaller than the sum of its proper divisors (50346381368).

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

49893397072 is a wasteful number, since it uses less digits than its factorization.

49893397072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255871 (or 255865 counting only the distinct ones).

The product of its (nonzero) digits is 20575296, while the sum is 61.

The spelling of 49893397072 in words is "forty-nine billion, eight hundred ninety-three million, three hundred ninety-seven thousand, seventy-two".