50016017640 has 64 divisors (see below), whose sum is σ = 150062774400. Its totient is φ = 13336296192.

The previous prime is 50016017621. The next prime is 50016017641. The reversal of 50016017640 is 4671061005.

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 = 50016017598 and 50016017607.

It is not an unprimeable number, because it can be changed into a prime (50016017641) 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, 2309181 + ... + 2330739.

It is an arithmetic number, because the mean of its divisors is an integer number (2344730850).

Almost surely, 2^50016017640 is an apocalyptic number.

It is an amenable number.

50016017640 is an abundant number, since it is smaller than the sum of its proper divisors (100046756760).

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

50016017640 is a wasteful number, since it uses less digits than its factorization.

50016017640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40906 (or 40902 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

Adding to 50016017640 its reverse (4671061005), we get a palindrome (54687078645).

The spelling of 50016017640 in words is "fifty billion, sixteen million, seventeen thousand, six hundred forty".