406438306454 has 8 divisors (see below), whose sum is σ = 613540628688. Its totient is φ = 201924763560.

The previous prime is 406438306453. The next prime is 406438306459. The reversal of 406438306454 is 454603834604.

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

It is a junction number, because it is equal to n+sod(n) for n = 406438306399 and 406438306408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406438306453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 647194442 + ... + 647195069.

It is an arithmetic number, because the mean of its divisors is an integer number (76692578586).

Almost surely, 2^406438306454 is an apocalyptic number.

406438306454 is a deficient number, since it is larger than the sum of its proper divisors (207102322234).

406438306454 is a wasteful number, since it uses less digits than its factorization.

406438306454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1294389670.

The product of its (nonzero) digits is 3317760, while the sum is 47.

The spelling of 406438306454 in words is "four hundred six billion, four hundred thirty-eight million, three hundred six thousand, four hundred fifty-four".