49769244820 has 48 divisors (see below), whose sum is σ = 107463056400. Its totient is φ = 19349857280.

The previous prime is 49769244787. The next prime is 49769244827. The reversal of 49769244820 is 2844296794.

It is a happy number.

49769244820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 2531699856 + 47237544964 = 50316^2 + 217342^2 .

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49769244827) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107766 + ... + 333394.

It is an arithmetic number, because the mean of its divisors is an integer number (2238813675).

Almost surely, 2^49769244820 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 49769244820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53731528200).

49769244820 is an abundant number, since it is smaller than the sum of its proper divisors (57693811580).

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

49769244820 is a wasteful number, since it uses less digits than its factorization.

49769244820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225948 (or 225946 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 55.

The spelling of 49769244820 in words is "forty-nine billion, seven hundred sixty-nine million, two hundred forty-four thousand, eight hundred twenty".