505363640234 has 8 divisors (see below), whose sum is σ = 758816618400. Its totient is φ = 252424767436.

The previous prime is 505363640183. The next prime is 505363640237. The reversal of 505363640234 is 432046363505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 505363640191 and 505363640200.

It is not an unprimeable number, because it can be changed into a prime (505363640237) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128523884 + ... + 128527815.

It is an arithmetic number, because the mean of its divisors is an integer number (94852077300).

Almost surely, 2^505363640234 is an apocalyptic number.

505363640234 is a deficient number, since it is larger than the sum of its proper divisors (253452978166).

505363640234 is a wasteful number, since it uses less digits than its factorization.

505363640234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257052684.

The product of its (nonzero) digits is 777600, while the sum is 41.

The spelling of 505363640234 in words is "five hundred five billion, three hundred sixty-three million, six hundred forty thousand, two hundred thirty-four".