406657648484 has 6 divisors (see below), whose sum is σ = 711650884854. Its totient is φ = 203328824240.

The previous prime is 406657648469. The next prime is 406657648493. The reversal of 406657648484 is 484846756604.

It can be written as a sum of positive squares in only one way, i.e., 300819340900 + 105838307584 = 548470^2 + 325328^2 .

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 as a sum of consecutive naturals, namely, 50832206057 + ... + 50832206064.

It is an arithmetic number, because the mean of its divisors is an integer number (118608480809).

Almost surely, 2^406657648484 is an apocalyptic number.

It is an amenable number.

406657648484 is a deficient number, since it is larger than the sum of its proper divisors (304993236370).

406657648484 is a wasteful number, since it uses less digits than its factorization.

406657648484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101664412125 (or 101664412123 counting only the distinct ones).

The product of its (nonzero) digits is 123863040, while the sum is 62.

The spelling of 406657648484 in words is "four hundred six billion, six hundred fifty-seven million, six hundred forty-eight thousand, four hundred eighty-four".