406220404426 has 8 divisors (see below), whose sum is σ = 609498801504. Its totient is φ = 203054137260.

The previous prime is 406220404367. The next prime is 406220404433. The reversal of 406220404426 is 624404022604.

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 = 406220404391 and 406220404400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28023420 + ... + 28037911.

It is an arithmetic number, because the mean of its divisors is an integer number (76187350188).

Almost surely, 2^406220404426 is an apocalyptic number.

406220404426 is a deficient number, since it is larger than the sum of its proper divisors (203278397078).

406220404426 is a wasteful number, since it uses less digits than its factorization.

406220404426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56064956.

The product of its (nonzero) digits is 73728, while the sum is 34.

The spelling of 406220404426 in words is "four hundred six billion, two hundred twenty million, four hundred four thousand, four hundred twenty-six".