505168533488 has 40 divisors (see below), whose sum is σ = 1033569747600. Its totient is φ = 238525807104.

The previous prime is 505168533473. The next prime is 505168533497. The reversal of 505168533488 is 884335861505.

It is a happy number.

It is a super-2 number, since 2×505168533488² (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 7 ways as a sum of consecutive naturals, for example, 2559383 + ... + 2749686.

It is an arithmetic number, because the mean of its divisors is an integer number (25839243690).

Almost surely, 2^505168533488 is an apocalyptic number.

It is an amenable number.

505168533488 is an abundant number, since it is smaller than the sum of its proper divisors (528401214112).

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

505168533488 is a wasteful number, since it uses less digits than its factorization.

505168533488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5309409 (or 5309403 counting only the distinct ones).

The product of its (nonzero) digits is 13824000, while the sum is 56.

The spelling of 505168533488 in words is "five hundred five billion, one hundred sixty-eight million, five hundred thirty-three thousand, four hundred eighty-eight".