128402502300 has 216 divisors, whose sum is σ = 418337193456. Its totient is φ = 32913146880.

The previous prime is 128402502299. The next prime is 128402502311. The reversal of 128402502300 is 3205204821.

128402502300 is a `hidden beast` number, since 1 + 28 + 402 + 5 + 0 + 230 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2740672 + ... + 2787128.

It is an arithmetic number, because the mean of its divisors is an integer number (1936746266).

Almost surely, 2^128402502300 is an apocalyptic number.

128402502300 is a gapful number since it is divisible by the number (10) 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 128402502300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209168596728).

128402502300 is an abundant number, since it is smaller than the sum of its proper divisors (289934691156).

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

128402502300 is a wasteful number, since it uses less digits than its factorization.

128402502300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46597 (or 46587 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The spelling of 128402502300 in words is "one hundred twenty-eight billion, four hundred two million, five hundred two thousand, three hundred".