128227732710 has 64 divisors (see below), whose sum is σ = 383684027904. Its totient is φ = 26644723200.

The previous prime is 128227732687. The next prime is 128227732747. The reversal of 128227732710 is 17237722821.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27752611 + ... + 27757230.

It is an arithmetic number, because the mean of its divisors is an integer number (5995062936).

Almost surely, 2^128227732710 is an apocalyptic number.

128227732710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128227732710 is an abundant number, since it is smaller than the sum of its proper divisors (255456295194).

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

128227732710 is a wasteful number, since it uses less digits than its factorization.

128227732710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55509869.

The product of its (nonzero) digits is 131712, while the sum is 42.

The spelling of 128227732710 in words is "one hundred twenty-eight billion, two hundred twenty-seven million, seven hundred thirty-two thousand, seven hundred ten".