406564425326 has 8 divisors (see below), whose sum is σ = 609849715944. Its totient is φ = 203281186680.

The previous prime is 406564425301. The next prime is 406564425341. The reversal of 406564425326 is 623524465604.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157736 + ... + 915428.

It is an arithmetic number, because the mean of its divisors is an integer number (76231214493).

Almost surely, 2^406564425326 is an apocalyptic number.

406564425326 is a deficient number, since it is larger than the sum of its proper divisors (203285290618).

406564425326 is a wasteful number, since it uses less digits than its factorization.

406564425326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025986.

The product of its (nonzero) digits is 4147200, while the sum is 47.

The spelling of 406564425326 in words is "four hundred six billion, five hundred sixty-four million, four hundred twenty-five thousand, three hundred twenty-six".