406256960317 has 8 divisors (see below), whose sum is σ = 440036443224. Its totient is φ = 372838755648.

The previous prime is 406256960261. The next prime is 406256960321. The reversal of 406256960317 is 713069652604.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8290284601 + 397966675716 = 91051^2 + 630846^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-406256960317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406256963317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90317218 + ... + 90321715.

It is an arithmetic number, because the mean of its divisors is an integer number (55004555403).

Almost surely, 2^406256960317 is an apocalyptic number.

It is an amenable number.

406256960317 is a deficient number, since it is larger than the sum of its proper divisors (33779482907).

406256960317 is a wasteful number, since it uses less digits than its factorization.

406256960317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180639119.

The product of its (nonzero) digits is 1632960, while the sum is 49.

The spelling of 406256960317 in words is "four hundred six billion, two hundred fifty-six million, nine hundred sixty thousand, three hundred seventeen".