1988813335230 has 96 divisors (see below), whose sum is σ = 5497543711296. Its totient is φ = 497719951872.

The previous prime is 1988813335217. The next prime is 1988813335297. The reversal of 1988813335230 is 325333188891.

1988813335230 is a `hidden beast` number, since 1 + 9 + 8 + 8 + 81 + 3 + 33 + 523 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8954247 + ... + 9173666.

It is an arithmetic number, because the mean of its divisors is an integer number (57266080326).

Almost surely, 2^{1988813335230} is an apocalyptic number.

1988813335230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1988813335230 is an abundant number, since it is smaller than the sum of its proper divisors (3508730376066).

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

1988813335230 is a wasteful number, since it uses less digits than its factorization.

1988813335230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18128002 (or 18127999 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 1988813335230 in words is "one trillion, nine hundred eighty-eight billion, eight hundred thirteen million, three hundred thirty-five thousand, two hundred thirty".