406220404425 has 36 divisors (see below), whose sum is σ = 738224469360. Its totient is φ = 196955343200.

The previous prime is 406220404367. The next prime is 406220404433. The reversal of 406220404425 is 524404022604.

It is not a de Polignac number, because 406220404425 - 2¹¹ = 406220402377 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

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 35 ways as a sum of consecutive naturals, for example, 22372215 + ... + 22390364.

It is an arithmetic number, because the mean of its divisors is an integer number (20506235260).

Almost surely, 2^406220404425 is an apocalyptic number.

It is an amenable number.

406220404425 is a deficient number, since it is larger than the sum of its proper divisors (332004064935).

406220404425 is a wasteful number, since it uses less digits than its factorization.

406220404425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44762614 (or 44762598 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 33.

The spelling of 406220404425 in words is "four hundred six billion, two hundred twenty million, four hundred four thousand, four hundred twenty-five".