428861138296 has 8 divisors (see below), whose sum is σ = 804114634320. Its totient is φ = 214430569144.

The previous prime is 428861138291. The next prime is 428861138317. The reversal of 428861138296 is 692831168824.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 428861138296.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428861138291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26803821136 + ... + 26803821151.

It is an arithmetic number, because the mean of its divisors is an integer number (100514329290).

Almost surely, 2^428861138296 is an apocalyptic number.

It is an amenable number.

428861138296 is a deficient number, since it is larger than the sum of its proper divisors (375253496024).

428861138296 is a wasteful number, since it uses less digits than its factorization.

428861138296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53607642293 (or 53607642289 counting only the distinct ones).

The product of its digits is 7962624, while the sum is 58.

The spelling of 428861138296 in words is "four hundred twenty-eight billion, eight hundred sixty-one million, one hundred thirty-eight thousand, two hundred ninety-six".