6245444442 has 32 divisors (see below), whose sum is σ = 12848394240. Its totient is φ = 2022738480.

The previous prime is 6245444441. The next prime is 6245444467. The reversal of 6245444442 is 2444445426.

It is a self number, because there is not a number n which added to its sum of digits gives 6245444442.

It is not an unprimeable number, because it can be changed into a prime (6245444441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14092 + ... + 112647.

It is an arithmetic number, because the mean of its divisors is an integer number (401512320).

Almost surely, 2^6245444442 is an apocalyptic number.

6245444442 is an abundant number, since it is smaller than the sum of its proper divisors (6602949798).

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

6245444442 is a wasteful number, since it uses less digits than its factorization.

6245444442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126978.

The product of its digits is 491520, while the sum is 39.

The square root of 6245444442 is about 79028.1243735419. The cubic root of 6245444442 is about 1841.5680986956.

Adding to 6245444442 its reverse (2444445426), we get a palindrome (8689889868).

The spelling of 6245444442 in words is "six billion, two hundred forty-five million, four hundred forty-four thousand, four hundred forty-two".