128030040252160 has 144 divisors (see below), whose sum is σ = 311948701999200. Its totient is φ = 50331276689408.

The previous prime is 128030040252131. The next prime is 128030040252161. The reversal of 128030040252160 is 61252040030821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128030040252161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 301036782 + ... + 301461778.

It is an arithmetic number, because the mean of its divisors is an integer number (2166310430550).

Almost surely, 2^{128030040252160} is an apocalyptic number.

128030040252160 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 128030040252160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (155974350999600).

128030040252160 is an abundant number, since it is smaller than the sum of its proper divisors (183918661747040).

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

128030040252160 is an equidigital number, since it uses as much as digits as its factorization.

128030040252160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429066 (or 429052 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

Adding to 128030040252160 its reverse (61252040030821), we get a palindrome (189282080282981).

The spelling of 128030040252160 in words is "one hundred twenty-eight trillion, thirty billion, forty million, two hundred fifty-two thousand, one hundred sixty".