428394305744 has 10 divisors (see below), whose sum is σ = 830013967410. Its totient is φ = 214197152864.

The previous prime is 428394305701. The next prime is 428394305747. The reversal of 428394305744 is 447503493824.

It can be written as a sum of positive squares in only one way, i.e., 428255065744 + 139240000 = 654412^2 + 11800^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428394305747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13387322039 + ... + 13387322070.

It is an arithmetic number, because the mean of its divisors is an integer number (83001396741).

Almost surely, 2^428394305744 is an apocalyptic number.

It is an amenable number.

428394305744 is a deficient number, since it is larger than the sum of its proper divisors (401619661666).

428394305744 is a wasteful number, since it uses less digits than its factorization.

428394305744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26774644117 (or 26774644111 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 53.

The spelling of 428394305744 in words is "four hundred twenty-eight billion, three hundred ninety-four million, three hundred five thousand, seven hundred forty-four".