50120156720 has 80 divisors (see below), whose sum is σ = 120110839200. Its totient is φ = 19438712832.

The previous prime is 50120156701. The next prime is 50120156729. The reversal of 50120156720 is 2765102105.

50120156720 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 (80).

It is a super-3 number, since 3×50120156720³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (50120156729) 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, 418106 + ... + 524454.

It is an arithmetic number, because the mean of its divisors is an integer number (1501385490).

Almost surely, 2^50120156720 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 50120156720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60055419600).

50120156720 is an abundant number, since it is smaller than the sum of its proper divisors (69990682480).

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

50120156720 is a wasteful number, since it uses less digits than its factorization.

50120156720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106542 (or 106536 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 29.

Adding to 50120156720 its reverse (2765102105), we get a palindrome (52885258825).

The spelling of 50120156720 in words is "fifty billion, one hundred twenty million, one hundred fifty-six thousand, seven hundred twenty".