406650262401 has 12 divisors (see below), whose sum is σ = 588000077028. Its totient is φ = 270815698944.

The previous prime is 406650262399. The next prime is 406650262427. The reversal of 406650262401 is 104262056604.

406650262401 is a `hidden beast` number, since 406 + 6 + 5 + 0 + 2 + 6 + 240 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 73029657600 + 333620604801 = 270240^2 + 577599^2 .

It is not a de Polignac number, because 406650262401 - 2¹ = 406650262399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (406650262451) 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, 23697280 + ... + 23714433.

It is an arithmetic number, because the mean of its divisors is an integer number (49000006419).

Almost surely, 2^406650262401 is an apocalyptic number.

It is an amenable number.

406650262401 is a deficient number, since it is larger than the sum of its proper divisors (181349814627).

406650262401 is a wasteful number, since it uses less digits than its factorization.

406650262401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47412672 (or 47412669 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 406650262401 in words is "four hundred six billion, six hundred fifty million, two hundred sixty-two thousand, four hundred one".