128468544 has 28 divisors (see below), whose sum is σ = 339906864. Its totient is φ = 42822784.

The previous prime is 128468513. The next prime is 128468567. The reversal of 128468544 is 445864821.

It is a junction number, because it is equal to n+sod(n) for n = 128468496 and 128468505.

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, 334362 + ... + 334745.

Almost surely, 2^128468544 is an apocalyptic number.

It is an amenable number.

128468544 is an abundant number, since it is smaller than the sum of its proper divisors (211438320).

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

128468544 is an equidigital number, since it uses as much as digits as its factorization.

128468544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669122 (or 669112 counting only the distinct ones).

The product of its digits is 245760, while the sum is 42.

The square root of 128468544 is about 11334.3964991525. The cubic root of 128468544 is about 504.5825966356.

The spelling of 128468544 in words is "one hundred twenty-eight million, four hundred sixty-eight thousand, five hundred forty-four".