428545268892 has 480 divisors, whose sum is σ = 1286531907584. Its totient is φ = 123451776000.

The previous prime is 428545268863. The next prime is 428545268917. The reversal of 428545268892 is 298862545824.

428545268892 is a `hidden beast` number, since 4 + 2 + 8 + 545 + 2 + 6 + 8 + 89 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 713053392 + ... + 713053992.

Almost surely, 2^428545268892 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 428545268892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (643265953792).

428545268892 is an abundant number, since it is smaller than the sum of its proper divisors (857986638692).

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

428545268892 is a wasteful number, since it uses less digits than its factorization.

428545268892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831 (or 820 counting only the distinct ones).

The product of its digits is 88473600, while the sum is 63.

The spelling of 428545268892 in words is "four hundred twenty-eight billion, five hundred forty-five million, two hundred sixty-eight thousand, eight hundred ninety-two".