505532406264 has 128 divisors (see below), whose sum is σ = 1293794208000. Its totient is φ = 164548127744.

The previous prime is 505532406233. The next prime is 505532406283. The reversal of 505532406264 is 462604235505.

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, 303257959 + ... + 303259625.

It is an arithmetic number, because the mean of its divisors is an integer number (10107767250).

Almost surely, 2^505532406264 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 505532406264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (646897104000).

505532406264 is an abundant number, since it is smaller than the sum of its proper divisors (788261801736).

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

505532406264 is a wasteful number, since it uses less digits than its factorization.

505532406264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2717 (or 2713 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 42.

The spelling of 505532406264 in words is "five hundred five billion, five hundred thirty-two million, four hundred six thousand, two hundred sixty-four".