49807050920 has 96 divisors (see below), whose sum is σ = 126184723560. Its totient is φ = 17669836800.

The previous prime is 49807050913. The next prime is 49807050929. The reversal of 49807050920 is 2905070894.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 20216858596 + 29590192324 = 142186^2 + 172018^2 .

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (49807050929) 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, 72944 + ... + 323936.

Almost surely, 2^49807050920 is an apocalyptic number.

49807050920 is a gapful number since it is divisible by the number (40) 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 49807050920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63092361780).

49807050920 is an abundant number, since it is smaller than the sum of its proper divisors (76377672640).

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

49807050920 is a wasteful number, since it uses less digits than its factorization.

49807050920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251067 (or 251052 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 44.

The spelling of 49807050920 in words is "forty-nine billion, eight hundred seven million, fifty thousand, nine hundred twenty".