8000040000050 has 54 divisors (see below), whose sum is σ = 17309777222493. Its totient is φ = 2742822857040.

The previous prime is 8000040000041. The next prime is 8000040000061. The reversal of 8000040000050 is 500000400008.

It can be written as a sum of positive squares in 2 ways, for example, as 7840039200049 + 160000800001 = 2800007^2 + 400001^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=2000005.

It is a junction number, because it is equal to n+sod(n) for n = 8000039999983 and 8000040000028.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 139971779 + ... + 140028921.

Almost surely, 2^{8000040000050} is an apocalyptic number.

8000040000050 is an abundant number, since it is smaller than the sum of its proper divisors (9309737222443).

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

8000040000050 is an frugal number, since it uses more digits than its factorization.

8000040000050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114312 (or 57157 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

Adding to 8000040000050 its reverse (500000400008), we get a palindrome (8500040400058).

The spelling of 8000040000050 in words is "eight trillion, forty million, fifty", and thus it is an aban number and an uban number.