1928485228356 has 48 divisors (see below), whose sum is σ = 5134905623680. Its totient is φ = 625454667360.

The previous prime is 1928485228277. The next prime is 1928485228361. The reversal of 1928485228356 is 6538225848291.

It is a happy number.

1928485228356 is a `hidden beast` number, since 1 + 9 + 2 + 8 + 485 + 22 + 83 + 56 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 1928485228293 and 1928485228302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241297960 + ... + 241305951.

Almost surely, 2^{1928485228356} is an apocalyptic number.

It is an amenable number.

1928485228356 is an abundant number, since it is smaller than the sum of its proper divisors (3206420395324).

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

1928485228356 is a wasteful number, since it uses less digits than its factorization.

1928485228356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482603961 (or 482603953 counting only the distinct ones).

The product of its digits is 66355200, while the sum is 63.

The spelling of 1928485228356 in words is "one trillion, nine hundred twenty-eight billion, four hundred eighty-five million, two hundred twenty-eight thousand, three hundred fifty-six".