660080200828440 has 64 divisors (see below), whose sum is σ = 2263132117128960. Its totient is φ = 150875474474880.

The previous prime is 660080200828439. The next prime is 660080200828501. The reversal of 660080200828440 is 44828002080066.

It is a self number, because there is not a number n which added to its sum of digits gives 660080200828440.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 392904880606 + ... + 392904882285.

It is an arithmetic number, because the mean of its divisors is an integer number (35361439330140).

Almost surely, 2^{660080200828440} is an apocalyptic number.

660080200828440 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

660080200828440 is an abundant number, since it is smaller than the sum of its proper divisors (1603051916300520).

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

660080200828440 is a wasteful number, since it uses less digits than its factorization.

660080200828440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785809762912 (or 785809762908 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 48.

The spelling of 660080200828440 in words is "six hundred sixty trillion, eighty billion, two hundred million, eight hundred twenty-eight thousand, four hundred forty".