505532444454 has 96 divisors (see below), whose sum is σ = 1159686388224. Its totient is φ = 158825546880.

The previous prime is 505532444449. The next prime is 505532444531. The reversal of 505532444454 is 454444235505.

It is a happy number.

505532444454 is a `hidden beast` number, since 5 + 0 + 553 + 2 + 4 + 4 + 44 + 54 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 70336249 + ... + 70343435.

It is an arithmetic number, because the mean of its divisors is an integer number (12080066544).

Almost surely, 2^505532444454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 505532444454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (579843194112).

505532444454 is an abundant number, since it is smaller than the sum of its proper divisors (654153943770).

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

505532444454 is a wasteful number, since it uses less digits than its factorization.

505532444454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9682 (or 9679 counting only the distinct ones).

The product of its (nonzero) digits is 3840000, while the sum is 45.

Adding to 505532444454 its reverse (454444235505), we get a palindrome (959976679959).

The spelling of 505532444454 in words is "five hundred five billion, five hundred thirty-two million, four hundred forty-four thousand, four hundred fifty-four".