6340530478 has 16 divisors (see below), whose sum is σ = 9848482560. Its totient is φ = 3057919200.

The previous prime is 6340530473. The next prime is 6340530479. The reversal of 6340530478 is 8740350436.

It is a self number, because there is not a number n which added to its sum of digits gives 6340530478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6340530473) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5683 + ... + 112753.

It is an arithmetic number, because the mean of its divisors is an integer number (615530160).

Almost surely, 2^6340530478 is an apocalyptic number.

6340530478 is a deficient number, since it is larger than the sum of its proper divisors (3507952082).

6340530478 is a wasteful number, since it uses less digits than its factorization.

6340530478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108123.

The product of its (nonzero) digits is 241920, while the sum is 40.

The square root of 6340530478 is about 79627.4480188835. The cubic root of 6340530478 is about 1850.8669399613.

The spelling of 6340530478 in words is "six billion, three hundred forty million, five hundred thirty thousand, four hundred seventy-eight".