30489123385728 has 1920 divisors, whose sum is σ = 115174067896800. Its totient is φ = 7956094648320.

The previous prime is 30489123385687. The next prime is 30489123385739. The reversal of 30489123385728 is 82758332198403.

30489123385728 is a `hidden beast` number, since 3 + 0 + 4 + 8 + 9 + 1 + 23 + 38 + 572 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 31206881176 + ... + 31206882152.

Almost surely, 2^{30489123385728} is an apocalyptic number.

30489123385728 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30489123385728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57587033948400).

30489123385728 is an abundant number, since it is smaller than the sum of its proper divisors (84684944511072).

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

30489123385728 is a wasteful number, since it uses less digits than its factorization.

30489123385728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150 (or 1122 counting only the distinct ones).

The product of its (nonzero) digits is 69672960, while the sum is 63.

The spelling of 30489123385728 in words is "thirty trillion, four hundred eighty-nine billion, one hundred twenty-three million, three hundred eighty-five thousand, seven hundred twenty-eight".