505544640246 has 24 divisors (see below), whose sum is σ = 1095373952400. Its totient is φ = 168510690576.

The previous prime is 505544640199. The next prime is 505544640329. The reversal of 505544640246 is 642046445505.

505544640246 is a `hidden beast` number, since 5 + 0 + 5 + 544 + 64 + 0 + 2 + 46 = 666.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 443655 + ... + 1099053.

It is an arithmetic number, because the mean of its divisors is an integer number (45640581350).

Almost surely, 2^505544640246 is an apocalyptic number.

505544640246 is an abundant number, since it is smaller than the sum of its proper divisors (589829312154).

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

505544640246 is a wasteful number, since it uses less digits than its factorization.

505544640246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698260 (or 698257 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 45.

The spelling of 505544640246 in words is "five hundred five billion, five hundred forty-four million, six hundred forty thousand, two hundred forty-six".