6404724266 has 16 divisors (see below), whose sum is σ = 9725987520. Its totient is φ = 3162809760.

The previous prime is 6404724259. The next prime is 6404724283. The reversal of 6404724266 is 6624274046.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141611 + ... + 181281.

It is an arithmetic number, because the mean of its divisors is an integer number (607874220).

Almost surely, 2^6404724266 is an apocalyptic number.

6404724266 is a deficient number, since it is larger than the sum of its proper divisors (3321263254).

6404724266 is a wasteful number, since it uses less digits than its factorization.

6404724266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40669.

The product of its (nonzero) digits is 387072, while the sum is 41.

The square root of 6404724266 is about 80029.5212156114. The cubic root of 6404724266 is about 1857.0922565075.

The spelling of 6404724266 in words is "six billion, four hundred four million, seven hundred twenty-four thousand, two hundred sixty-six".