50455044240 has 80 divisors (see below), whose sum is σ = 156433612608. Its totient is φ = 13452702208.

The previous prime is 50455044239. The next prime is 50455044247. The reversal of 50455044240 is 4244055405.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×50455044240² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (50455044247) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 2421547 + ... + 2442293.

Almost surely, 2^50455044240 is an apocalyptic number.

It is an amenable number.

50455044240 is an abundant number, since it is smaller than the sum of its proper divisors (105978568368).

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

50455044240 is a wasteful number, since it uses less digits than its factorization.

50455044240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30896 (or 30890 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 33.

Adding to 50455044240 its reverse (4244055405), we get a palindrome (54699099645).

The spelling of 50455044240 in words is "fifty billion, four hundred fifty-five million, forty-four thousand, two hundred forty".