50512342440 has 256 divisors, whose sum is σ = 175263782400. Its totient is φ = 11407785984.

The previous prime is 50512342429. The next prime is 50512342451. The reversal of 50512342440 is 4424321505.

It is an interprime number because it is at equal distance from previous prime (50512342429) and next prime (50512342451).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 50512342398 and 50512342407.

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 63 ways as a sum of consecutive naturals, for example, 41099746 + ... + 41100974.

It is an arithmetic number, because the mean of its divisors is an integer number (684624150).

Almost surely, 2^50512342440 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 50512342440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87631891200).

50512342440 is an abundant number, since it is smaller than the sum of its proper divisors (124751439960).

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

50512342440 is a wasteful number, since it uses less digits than its factorization.

50512342440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1796 (or 1792 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 50512342440 its reverse (4424321505), we get a palindrome (54936663945).

The spelling of 50512342440 in words is "fifty billion, five hundred twelve million, three hundred forty-two thousand, four hundred forty".