50201009280 has 128 divisors (see below), whose sum is σ = 177795302400. Its totient is φ = 13386931200.

The previous prime is 50201009251. The next prime is 50201009281. The reversal of 50201009280 is 8290010205.

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

It is a super-2 number, since 2×50201009280² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (50201009281) 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, 1435296 + ... + 1469855.

It is an arithmetic number, because the mean of its divisors is an integer number (1389025800).

Almost surely, 2^50201009280 is an apocalyptic number.

It is an amenable number.

50201009280 is an abundant number, since it is smaller than the sum of its proper divisors (127594293120).

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

50201009280 is a wasteful number, since it uses less digits than its factorization.

50201009280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2905179 (or 2905161 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

Adding to 50201009280 its reverse (8290010205), we get a palindrome (58491019485).

The spelling of 50201009280 in words is "fifty billion, two hundred one million, nine thousand, two hundred eighty".