505128466260 has 72 divisors (see below), whose sum is σ = 1671516022176. Its totient is φ = 122455385280.

The previous prime is 505128466229. The next prime is 505128466351. The reversal of 505128466260 is 62664821505.

505128466260 is a `hidden beast` number, since 5 + 0 + 5 + 12 + 8 + 4 + 6 + 626 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 127555714 + ... + 127559673.

It is an arithmetic number, because the mean of its divisors is an integer number (23215500308).

Almost surely, 2^505128466260 is an apocalyptic number.

It is an amenable number.

505128466260 is an abundant number, since it is smaller than the sum of its proper divisors (1166387555916).

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

505128466260 is a wasteful number, since it uses less digits than its factorization.

505128466260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255115413 (or 255115408 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 505128466260 in words is "five hundred five billion, one hundred twenty-eight million, four hundred sixty-six thousand, two hundred sixty".