128092047930 has 192 divisors, whose sum is σ = 429536390400. Its totient is φ = 25698677760.

The previous prime is 128092047911. The next prime is 128092047943. The reversal of 128092047930 is 39740290821.

128092047930 is a `hidden beast` number, since 12 + 80 + 92 + 0 + 479 + 3 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 117715 + ... + 519654.

It is an arithmetic number, because the mean of its divisors is an integer number (2237168700).

Almost surely, 2^128092047930 is an apocalyptic number.

128092047930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 128092047930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214768195200).

128092047930 is an abundant number, since it is smaller than the sum of its proper divisors (301444342470).

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

128092047930 is a wasteful number, since it uses less digits than its factorization.

128092047930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637429 (or 637426 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 128092047930 in words is "one hundred twenty-eight billion, ninety-two million, forty-seven thousand, nine hundred thirty".