505353450120 has 32 divisors (see below), whose sum is σ = 1516060350720. Its totient is φ = 134760920000.

The previous prime is 505353450113. The next prime is 505353450137. The reversal of 505353450120 is 21054353505.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2105639256 + ... + 2105639495.

It is an arithmetic number, because the mean of its divisors is an integer number (47376885960).

Almost surely, 2^505353450120 is an apocalyptic number.

It is an amenable number.

505353450120 is an abundant number, since it is smaller than the sum of its proper divisors (1010706900600).

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

505353450120 is a wasteful number, since it uses less digits than its factorization.

505353450120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4211278765 (or 4211278761 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 33.

The spelling of 505353450120 in words is "five hundred five billion, three hundred fifty-three million, four hundred fifty thousand, one hundred twenty".