505526640640 has 112 divisors (see below), whose sum is σ = 1386503512992. Its totient is φ = 173323321344.

The previous prime is 505526640613. The next prime is 505526640677. The reversal of 505526640640 is 46046625505.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 594849 + ... + 1168288.

Almost surely, 2^505526640640 is an apocalyptic number.

It is an amenable number.

505526640640 is an abundant number, since it is smaller than the sum of its proper divisors (880976872352).

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

505526640640 is an equidigital number, since it uses as much as digits as its factorization.

505526640640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1763175 (or 1763151 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 43.

The spelling of 505526640640 in words is "five hundred five billion, five hundred twenty-six million, six hundred forty thousand, six hundred forty".