505546544604 has 96 divisors (see below), whose sum is σ = 1236469054464. Its totient is φ = 160460213760.

The previous prime is 505546544599. The next prime is 505546544611. The reversal of 505546544604 is 406445645505.

It is a happy number.

It is a super-2 number, since 2×505546544604² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 85959744 + ... + 85965624.

It is an arithmetic number, because the mean of its divisors is an integer number (12879885984).

Almost surely, 2^505546544604 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 505546544604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (618234527232).

505546544604 is an abundant number, since it is smaller than the sum of its proper divisors (730922509860).

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

505546544604 is a wasteful number, since it uses less digits than its factorization.

505546544604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7267 (or 7265 counting only the distinct ones).

The product of its (nonzero) digits is 5760000, while the sum is 48.

The spelling of 505546544604 in words is "five hundred five billion, five hundred forty-six million, five hundred forty-four thousand, six hundred four".