6340404002 has 8 divisors (see below), whose sum is σ = 9523690176. Its totient is φ = 3165840612.

The previous prime is 6340403999. The next prime is 6340404029. The reversal of 6340404002 is 2004040436.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2178878 + ... + 2181785.

It is an arithmetic number, because the mean of its divisors is an integer number (1190461272).

Almost surely, 2^6340404002 is an apocalyptic number.

6340404002 is a deficient number, since it is larger than the sum of its proper divisors (3183286174).

6340404002 is a wasteful number, since it uses less digits than its factorization.

6340404002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4361392.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 6340404002 is about 79626.6538415373. The cubic root of 6340404002 is about 1850.8546333252.

Adding to 6340404002 its reverse (2004040436), we get a palindrome (8344444438).

The spelling of 6340404002 in words is "six billion, three hundred forty million, four hundred four thousand, two".