505205268740 has 24 divisors (see below), whose sum is σ = 1060953707520. Its totient is φ = 202077794528.

The previous prime is 505205268727. The next prime is 505205268767. The reversal of 505205268740 is 47862502505.

It is a junction number, because it is equal to n+sod(n) for n = 505205268691 and 505205268700.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 793139 + ... + 1280421.

It is an arithmetic number, because the mean of its divisors is an integer number (44206404480).

Almost surely, 2^505205268740 is an apocalyptic number.

It is an amenable number.

505205268740 is an abundant number, since it is smaller than the sum of its proper divisors (555748438780).

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

505205268740 is a wasteful number, since it uses less digits than its factorization.

505205268740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539131 (or 539129 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 44.

The spelling of 505205268740 in words is "five hundred five billion, two hundred five million, two hundred sixty-eight thousand, seven hundred forty".