428210068 has 144 divisors (see below), whose sum is σ = 980925120. Its totient is φ = 160704000.

The previous prime is 428210063. The next prime is 428210129. The reversal of 428210068 is 860012824.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428210063) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10444128 + ... + 10444168.

It is an arithmetic number, because the mean of its divisors is an integer number (6811980).

Almost surely, 2^428210068 is an apocalyptic number.

It is an amenable number.

428210068 is an abundant number, since it is smaller than the sum of its proper divisors (552715052).

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

428210068 is a wasteful number, since it uses less digits than its factorization.

428210068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150 (or 117 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 428210068 is about 20693.2372527838. The cubic root of 428210068 is about 753.7354784167.

The spelling of 428210068 in words is "four hundred twenty-eight million, two hundred ten thousand, sixty-eight".