428208108553612 has 24 divisors (see below), whose sum is σ = 776619050038272. Its totient is φ = 206371983930000.

The previous prime is 428208108553549. The next prime is 428208108553669. The reversal of 428208108553612 is 216355801802824.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6879035008 + ... + 6879097255.

It is an arithmetic number, because the mean of its divisors is an integer number (32359127084928).

Almost surely, 2^{428208108553612} is an apocalyptic number.

It is an amenable number.

428208108553612 is a deficient number, since it is larger than the sum of its proper divisors (348410941484660).

428208108553612 is a wasteful number, since it uses less digits than its factorization.

428208108553612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13758132549 (or 13758132547 counting only the distinct ones).

The product of its (nonzero) digits is 7372800, while the sum is 55.

The spelling of 428208108553612 in words is "four hundred twenty-eight trillion, two hundred eight billion, one hundred eight million, five hundred fifty-three thousand, six hundred twelve".