6345520442 has 8 divisors (see below), whose sum is σ = 9543396000. Its totient is φ = 3164388444.

The previous prime is 6345520427. The next prime is 6345520469. The reversal of 6345520442 is 2440255436.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4184942 + ... + 4186457.

It is an arithmetic number, because the mean of its divisors is an integer number (1192924500).

Almost surely, 2^6345520442 is an apocalyptic number.

6345520442 is a deficient number, since it is larger than the sum of its proper divisors (3197875558).

6345520442 is a wasteful number, since it uses less digits than its factorization.

6345520442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8371780.

The product of its (nonzero) digits is 115200, while the sum is 35.

The square root of 6345520442 is about 79658.7750470719. The cubic root of 6345520442 is about 1851.3523534798.

Adding to 6345520442 its reverse (2440255436), we get a palindrome (8785775878).

The spelling of 6345520442 in words is "six billion, three hundred forty-five million, five hundred twenty thousand, four hundred forty-two".