616443415242 has 16 divisors (see below), whose sum is σ = 1233890007840. Its totient is φ = 205313942192.

The previous prime is 616443415223. The next prime is 616443415243. The reversal of 616443415242 is 242514344616.

It is a junction number, because it is equal to n+sod(n) for n = 616443415194 and 616443415203.

It is not an unprimeable number, because it can be changed into a prime (616443415243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41791068 + ... + 41805815.

It is an arithmetic number, because the mean of its divisors is an integer number (77118125490).

Almost surely, 2^616443415242 is an apocalyptic number.

616443415242 is an abundant number, since it is smaller than the sum of its proper divisors (617446592598).

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

616443415242 is a wasteful number, since it uses less digits than its factorization.

616443415242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83598117.

The product of its digits is 552960, while the sum is 42.

Adding to 616443415242 its reverse (242514344616), we get a palindrome (858957759858).

The spelling of 616443415242 in words is "six hundred sixteen billion, four hundred forty-three million, four hundred fifteen thousand, two hundred forty-two".