406406603247 has 16 divisors (see below), whose sum is σ = 543391224288. Its totient is φ = 270180028800.

The previous prime is 406406603221. The next prime is 406406603263. The reversal of 406406603247 is 742306604604.

It is not a de Polignac number, because 406406603247 - 2¹⁴ = 406406586863 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 406406603199 and 406406603208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406406603297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13526013 + ... + 13556025.

It is an arithmetic number, because the mean of its divisors is an integer number (33961951518).

Almost surely, 2^406406603247 is an apocalyptic number.

406406603247 is a deficient number, since it is larger than the sum of its proper divisors (136984621041).

406406603247 is a wasteful number, since it uses less digits than its factorization.

406406603247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42490.

The product of its (nonzero) digits is 580608, while the sum is 42.

The spelling of 406406603247 in words is "four hundred six billion, four hundred six million, six hundred three thousand, two hundred forty-seven".