6441500442 has 32 divisors (see below), whose sum is σ = 13883950080. Its totient is φ = 1980578880.

The previous prime is 6441500423. The next prime is 6441500537. The reversal of 6441500442 is 2440051446.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82567 + ... + 140357.

It is an arithmetic number, because the mean of its divisors is an integer number (433873440).

Almost surely, 2^6441500442 is an apocalyptic number.

6441500442 is an abundant number, since it is smaller than the sum of its proper divisors (7442449638).

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

6441500442 is a wasteful number, since it uses less digits than its factorization.

6441500442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59238.

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 6441500442 is about 80258.9586401418. The cubic root of 6441500442 is about 1860.6399734420.

Adding to 6441500442 its reverse (2440051446), we get a palindrome (8881551888).

The spelling of 6441500442 in words is "six billion, four hundred forty-one million, five hundred thousand, four hundred forty-two".