128262579200 has 528 divisors, whose sum is σ = 390805772544. Its totient is φ = 40737177600.

The previous prime is 128262579187. The next prime is 128262579223. The reversal of 128262579200 is 2975262821.

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, 216294104 + ... + 216294696.

It is an arithmetic number, because the mean of its divisors is an integer number (740162448).

Almost surely, 2^128262579200 is an apocalyptic number.

128262579200 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 128262579200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195402886272).

128262579200 is an abundant number, since it is smaller than the sum of its proper divisors (262543193344).

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

128262579200 is a wasteful number, since it uses less digits than its factorization.

128262579200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718 (or 695 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 128262579200 in words is "one hundred twenty-eight billion, two hundred sixty-two million, five hundred seventy-nine thousand, two hundred".