505240613655 has 64 divisors (see below), whose sum is σ = 853880417280. Its totient is φ = 254396160000.

The previous prime is 505240613621. The next prime is 505240613711. The reversal of 505240613655 is 556316042505.

It is not a de Polignac number, because 505240613655 - 2⁸ = 505240613399 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 198054630 + ... + 198057180.

It is an arithmetic number, because the mean of its divisors is an integer number (13341881520).

Almost surely, 2^505240613655 is an apocalyptic number.

505240613655 is a deficient number, since it is larger than the sum of its proper divisors (348639803625).

505240613655 is a wasteful number, since it uses less digits than its factorization.

505240613655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4712.

The product of its (nonzero) digits is 540000, while the sum is 42.

The spelling of 505240613655 in words is "five hundred five billion, two hundred forty million, six hundred thirteen thousand, six hundred fifty-five".