128254857443030 has 32 divisors (see below), whose sum is σ = 231326168613120. Its totient is φ = 51198132211200.

The previous prime is 128254857443023. The next prime is 128254857443039. The reversal of 128254857443030 is 30344758452821.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128254857443039) 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, 12847451 + ... + 20532089.

It is an arithmetic number, because the mean of its divisors is an integer number (7228942769160).

Almost surely, 2^{128254857443030} is an apocalyptic number.

128254857443030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128254857443030 is a deficient number, since it is larger than the sum of its proper divisors (103071311170090).

128254857443030 is a wasteful number, since it uses less digits than its factorization.

128254857443030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7688024.

The product of its (nonzero) digits is 25804800, while the sum is 56.

The spelling of 128254857443030 in words is "one hundred twenty-eight trillion, two hundred fifty-four billion, eight hundred fifty-seven million, four hundred forty-three thousand, thirty".