428266870902 has 24 divisors (see below), whose sum is σ = 999289365984. Its totient is φ = 131774421744.

The previous prime is 428266870891. The next prime is 428266870919. The reversal of 428266870902 is 209078662824.

428266870902 is a `hidden beast` number, since 428 + 2 + 6 + 68 + 70 + 90 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 915099918 + ... + 915100385.

It is an arithmetic number, because the mean of its divisors is an integer number (41637056916).

Almost surely, 2^428266870902 is an apocalyptic number.

428266870902 is an abundant number, since it is smaller than the sum of its proper divisors (571022495082).

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

428266870902 is a wasteful number, since it uses less digits than its factorization.

428266870902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1830200324 (or 1830200321 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The spelling of 428266870902 in words is "four hundred twenty-eight billion, two hundred sixty-six million, eight hundred seventy thousand, nine hundred two".