428288422466 has 8 divisors (see below), whose sum is σ = 642441056400. Its totient is φ = 214141403668.

The previous prime is 428288422451. The next prime is 428288422483. The reversal of 428288422466 is 664224882824.

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

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, 1207616 + ... + 1521483.

It is an arithmetic number, because the mean of its divisors is an integer number (80305132050).

Almost surely, 2^428288422466 is an apocalyptic number.

428288422466 is a deficient number, since it is larger than the sum of its proper divisors (214152633934).

428288422466 is a wasteful number, since it uses less digits than its factorization.

428288422466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2807568.

The product of its digits is 18874368, while the sum is 56.

The spelling of 428288422466 in words is "four hundred twenty-eight billion, two hundred eighty-eight million, four hundred twenty-two thousand, four hundred sixty-six".