505420056616 has 8 divisors (see below), whose sum is σ = 947662606170. Its totient is φ = 252710028304.

The previous prime is 505420056613. The next prime is 505420056653. The reversal of 505420056616 is 616650024505.

It can be written as a sum of positive squares in only one way, i.e., 494110584900 + 11309471716 = 702930^2 + 106346^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (505420056613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31588753531 + ... + 31588753546.

Almost surely, 2^505420056616 is an apocalyptic number.

It is an amenable number.

505420056616 is a deficient number, since it is larger than the sum of its proper divisors (442242549554).

505420056616 is a wasteful number, since it uses less digits than its factorization.

505420056616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63177507083 (or 63177507079 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 505420056616 in words is "five hundred five billion, four hundred twenty million, fifty-six thousand, six hundred sixteen".