128429070580 has 12 divisors (see below), whose sum is σ = 269701048260. Its totient is φ = 51371628224.

The previous prime is 128429070571. The next prime is 128429070619. The reversal of 128429070580 is 85070924821.

It can be written as a sum of positive squares in 2 ways, for example, as 54641867536 + 73787203044 = 233756^2 + 271638^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 128429070580.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3210726745 + ... + 3210726784.

It is an arithmetic number, because the mean of its divisors is an integer number (22475087355).

Almost surely, 2^128429070580 is an apocalyptic number.

128429070580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

128429070580 is an abundant number, since it is smaller than the sum of its proper divisors (141271977680).

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

128429070580 is a wasteful number, since it uses less digits than its factorization.

128429070580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6421453538 (or 6421453536 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 46.

The spelling of 128429070580 in words is "one hundred twenty-eight billion, four hundred twenty-nine million, seventy thousand, five hundred eighty".