428256667952 has 10 divisors (see below), whose sum is σ = 829747294188. Its totient is φ = 214128333968.

The previous prime is 428256667879. The next prime is 428256667957. The reversal of 428256667952 is 259766652824.

It is not an unprimeable number, because it can be changed into a prime (428256667957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13383020858 + ... + 13383020889.

Almost surely, 2^428256667952 is an apocalyptic number.

It is an amenable number.

428256667952 is a deficient number, since it is larger than the sum of its proper divisors (401490626236).

428256667952 is a wasteful number, since it uses less digits than its factorization.

428256667952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26766041755 (or 26766041749 counting only the distinct ones).

The product of its digits is 87091200, while the sum is 62.

The spelling of 428256667952 in words is "four hundred twenty-eight billion, two hundred fifty-six million, six hundred sixty-seven thousand, nine hundred fifty-two".