428005282806 has 48 divisors (see below), whose sum is σ = 972951977088. Its totient is φ = 135802828800.

The previous prime is 428005282781. The next prime is 428005282819. The reversal of 428005282806 is 608282500824.

428005282806 is a `hidden beast` number, since 42 + 8 + 0 + 0 + 528 + 2 + 80 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6253131 + ... + 6321206.

It is an arithmetic number, because the mean of its divisors is an integer number (20269832856).

Almost surely, 2^428005282806 is an apocalyptic number.

428005282806 is an abundant number, since it is smaller than the sum of its proper divisors (544946694282).

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

428005282806 is a wasteful number, since it uses less digits than its factorization.

428005282806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12574437 (or 12574434 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 45.

The spelling of 428005282806 in words is "four hundred twenty-eight billion, five million, two hundred eighty-two thousand, eight hundred six".