505612454620 has 96 divisors (see below), whose sum is σ = 1307920255488. Its totient is φ = 159882515712.

The previous prime is 505612454603. The next prime is 505612454629. The reversal of 505612454620 is 26454216505.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505612454629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2043319 + ... + 2277361.

It is an arithmetic number, because the mean of its divisors is an integer number (13624169328).

Almost surely, 2^505612454620 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 505612454620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (653960127744).

505612454620 is an abundant number, since it is smaller than the sum of its proper divisors (802307800868).

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

505612454620 is a wasteful number, since it uses less digits than its factorization.

505612454620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235259 (or 235257 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 40.

The spelling of 505612454620 in words is "five hundred five billion, six hundred twelve million, four hundred fifty-four thousand, six hundred twenty".