406346642564 has 12 divisors (see below), whose sum is σ = 711118743888. Its totient is φ = 203169858600.

The previous prime is 406346642551. The next prime is 406346642617. The reversal of 406346642564 is 465246643604.

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, 592022 + ... + 1078509.

It is an arithmetic number, because the mean of its divisors is an integer number (59259895324).

Almost surely, 2^406346642564 is an apocalyptic number.

It is an amenable number.

406346642564 is a deficient number, since it is larger than the sum of its proper divisors (304772101324).

406346642564 is a wasteful number, since it uses less digits than its factorization.

406346642564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1731346 (or 1731344 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 50.

The spelling of 406346642564 in words is "four hundred six billion, three hundred forty-six million, six hundred forty-two thousand, five hundred sixty-four".