6390269960 has 16 divisors (see below), whose sum is σ = 14378107500. Its totient is φ = 2556107968.

The previous prime is 6390269953. The next prime is 6390269987. The reversal of 6390269960 is 699620936.

It can be written as a sum of positive squares in 2 ways, for example, as 5526732964 + 863536996 = 74342^2 + 29386^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6390269899 and 6390269908.

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, 79878335 + ... + 79878414.

Almost surely, 2^6390269960 is an apocalyptic number.

It is an amenable number.

6390269960 is an abundant number, since it is smaller than the sum of its proper divisors (7987837540).

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

6390269960 is a wasteful number, since it uses less digits than its factorization.

6390269960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159756760 (or 159756756 counting only the distinct ones).

The product of its (nonzero) digits is 944784, while the sum is 50.

The square root of 6390269960 is about 79939.1641187222. The cubic root of 6390269960 is about 1855.6941636186.

The spelling of 6390269960 in words is "six billion, three hundred ninety million, two hundred sixty-nine thousand, nine hundred sixty".