5206250400242 has 16 divisors (see below), whose sum is σ = 8183009560320. Its totient is φ = 2479527654912.

The previous prime is 5206250400191. The next prime is 5206250400257. The reversal of 5206250400242 is 2420040526025.

It is a junction number, because it is equal to n+sod(n) for n = 5206250400199 and 5206250400208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236765903 + ... + 236787890.

It is an arithmetic number, because the mean of its divisors is an integer number (511438097520).

Almost surely, 2^{5206250400242} is an apocalyptic number.

5206250400242 is a deficient number, since it is larger than the sum of its proper divisors (2976759160078).

5206250400242 is a wasteful number, since it uses less digits than its factorization.

5206250400242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473554057.

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 5206250400242 its reverse (2420040526025), we get a palindrome (7626290926267).

The spelling of 5206250400242 in words is "five trillion, two hundred six billion, two hundred fifty million, four hundred thousand, two hundred forty-two".