50520045440 has 128 divisors (see below), whose sum is σ = 128562228000. Its totient is φ = 18928926720.

The previous prime is 50520045439. The next prime is 50520045449. The reversal of 50520045440 is 4454002505.

50520045440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50520045449) 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, 1058900 + ... + 1105580.

Almost surely, 2^50520045440 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 50520045440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64281114000).

50520045440 is an abundant number, since it is smaller than the sum of its proper divisors (78042182560).

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

50520045440 is a wasteful number, since it uses less digits than its factorization.

50520045440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46808 (or 46796 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 29.

Adding to 50520045440 its reverse (4454002505), we get a palindrome (54974047945).

The spelling of 50520045440 in words is "fifty billion, five hundred twenty million, forty-five thousand, four hundred forty".