505405345522 has 96 divisors (see below), whose sum is σ = 976139902080. Its totient is φ = 192047328000.

The previous prime is 505405345507. The next prime is 505405345561. The reversal of 505405345522 is 225543504505.

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, 11441254 + ... + 11485342.

It is an arithmetic number, because the mean of its divisors is an integer number (10168123980).

Almost surely, 2^505405345522 is an apocalyptic number.

505405345522 is a deficient number, since it is larger than the sum of its proper divisors (470734556558).

505405345522 is a wasteful number, since it uses less digits than its factorization.

505405345522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44288 (or 44277 counting only the distinct ones).

The product of its (nonzero) digits is 600000, while the sum is 40.

The spelling of 505405345522 in words is "five hundred five billion, four hundred five million, three hundred forty-five thousand, five hundred twenty-two".