505446340245 has 64 divisors (see below), whose sum is σ = 1010807617536. Its totient is φ = 209526324480.

The previous prime is 505446340229. The next prime is 505446340249. The reversal of 505446340245 is 542043644505.

It is a happy number.

It is not a de Polignac number, because 505446340245 - 2⁴ = 505446340229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 505446340197 and 505446340206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505446340249) 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 63 ways as a sum of consecutive naturals, for example, 92619 + ... + 1009688.

It is an arithmetic number, because the mean of its divisors is an integer number (15793869024).

Almost surely, 2^505446340245 is an apocalyptic number.

505446340245 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

505446340245 is a deficient number, since it is larger than the sum of its proper divisors (505361277291).

505446340245 is a wasteful number, since it uses less digits than its factorization.

505446340245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102730.

The product of its (nonzero) digits is 1152000, while the sum is 42.

The spelling of 505446340245 in words is "five hundred five billion, four hundred forty-six million, three hundred forty thousand, two hundred forty-five".