6404407011 has 12 divisors (see below), whose sum is σ = 9251533200. Its totient is φ = 4269270960.

The previous prime is 6404406977. The next prime is 6404407021. The reversal of 6404407011 is 1107044046.

6404407011 is a `hidden beast` number, since 640 + 4 + 4 + 0 + 7 + 0 + 11 = 666.

It is not a de Polignac number, because 6404407011 - 2¹⁸ = 6404144867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6404407021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 161706 + ... + 197376.

It is an arithmetic number, because the mean of its divisors is an integer number (770961100).

Almost surely, 2^6404407011 is an apocalyptic number.

6404407011 is a deficient number, since it is larger than the sum of its proper divisors (2847126189).

6404407011 is a wasteful number, since it uses less digits than its factorization.

6404407011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55626 (or 55623 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 6404407011 is about 80027.5390787446. The cubic root of 6404407011 is about 1857.0615926044.

The spelling of 6404407011 in words is "six billion, four hundred four million, four hundred seven thousand, eleven".