406642206424 has 32 divisors (see below), whose sum is σ = 767234926080. Its totient is φ = 202046910624.

The previous prime is 406642206407. The next prime is 406642206431. The reversal of 406642206424 is 424602246604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4938439 + ... + 5020105.

It is an arithmetic number, because the mean of its divisors is an integer number (23976091440).

Almost surely, 2^406642206424 is an apocalyptic number.

It is an amenable number.

406642206424 is a deficient number, since it is larger than the sum of its proper divisors (360592719656).

406642206424 is a wasteful number, since it uses less digits than its factorization.

406642206424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85567 (or 85563 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 40.

The spelling of 406642206424 in words is "four hundred six billion, six hundred forty-two million, two hundred six thousand, four hundred twenty-four".