128640477036588 has 24 divisors (see below), whose sum is σ = 327448487002560. Its totient is φ = 38981962738320.

The previous prime is 128640477036553. The next prime is 128640477036641. The reversal of 128640477036588 is 885630774046821.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 487274534098 + ... + 487274534361.

It is an arithmetic number, because the mean of its divisors is an integer number (13643686958440).

Almost surely, 2^{128640477036588} is an apocalyptic number.

It is an amenable number.

128640477036588 is an abundant number, since it is smaller than the sum of its proper divisors (198808009965972).

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

128640477036588 is a wasteful number, since it uses less digits than its factorization.

128640477036588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974549068477 (or 974549068475 counting only the distinct ones).

The product of its (nonzero) digits is 433520640, while the sum is 69.

The spelling of 128640477036588 in words is "one hundred twenty-eight trillion, six hundred forty billion, four hundred seventy-seven million, thirty-six thousand, five hundred eighty-eight".