428106068250 has 256 divisors, whose sum is σ = 1253659410432. Its totient is φ = 95273875200.

The previous prime is 428106068227. The next prime is 428106068267. The reversal of 428106068250 is 52860601824.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 48605347 + ... + 48614153.

It is an arithmetic number, because the mean of its divisors is an integer number (4897107072).

Almost surely, 2^428106068250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 428106068250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (626829705216).

428106068250 is an abundant number, since it is smaller than the sum of its proper divisors (825553342182).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

428106068250 is a wasteful number, since it uses less digits than its factorization.

428106068250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9078 (or 9068 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 42.

The spelling of 428106068250 in words is "four hundred twenty-eight billion, one hundred six million, sixty-eight thousand, two hundred fifty".