428860838288 has 20 divisors (see below), whose sum is σ = 831621482268. Its totient is φ = 214248842880.

The previous prime is 428860838251. The next prime is 428860838299. The reversal of 428860838288 is 882838068824.

It can be written as a sum of positive squares in 2 ways, for example, as 283739459584 + 145121378704 = 532672^2 + 380948^2 .

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, 11329031 + ... + 11366822.

Almost surely, 2^428860838288 is an apocalyptic number.

It is an amenable number.

428860838288 is a deficient number, since it is larger than the sum of its proper divisors (402760643980).

428860838288 is a wasteful number, since it uses less digits than its factorization.

428860838288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22697042 (or 22697036 counting only the distinct ones).

The product of its (nonzero) digits is 75497472, while the sum is 65.

The spelling of 428860838288 in words is "four hundred twenty-eight billion, eight hundred sixty million, eight hundred thirty-eight thousand, two hundred eighty-eight".