505187484 has 24 divisors (see below), whose sum is σ = 1180627728. Its totient is φ = 168130560.

The previous prime is 505187461. The next prime is 505187489. The reversal of 505187484 is 484781505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505187489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25147 + ... + 40530.

It is an arithmetic number, because the mean of its divisors is an integer number (49192822).

Almost surely, 2^505187484 is an apocalyptic number.

It is an amenable number.

505187484 is an abundant number, since it is smaller than the sum of its proper divisors (675440244).

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

505187484 is a wasteful number, since it uses less digits than its factorization.

505187484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66325 (or 66323 counting only the distinct ones).

The product of its (nonzero) digits is 179200, while the sum is 42.

The square root of 505187484 is about 22476.3761313963. The cubic root of 505187484 is about 796.4359601877.

The spelling of 505187484 in words is "five hundred five million, one hundred eighty-seven thousand, four hundred eighty-four".