128454576402 has 16 divisors (see below), whose sum is σ = 257549828832. Its totient is φ = 42711412800.

The previous prime is 128454576337. The next prime is 128454576413. The reversal of 128454576402 is 204675454821.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26692228 + ... + 26697039.

It is an arithmetic number, because the mean of its divisors is an integer number (16096864302).

Almost surely, 2^128454576402 is an apocalyptic number.

128454576402 is an abundant number, since it is smaller than the sum of its proper divisors (129095252430).

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

128454576402 is a wasteful number, since it uses less digits than its factorization.

128454576402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53389673.

The product of its (nonzero) digits is 2150400, while the sum is 48.

The spelling of 128454576402 in words is "one hundred twenty-eight billion, four hundred fifty-four million, five hundred seventy-six thousand, four hundred two".