505042884 has 24 divisors (see below), whose sum is σ = 1309370720. Its totient is φ = 168347592.

The previous prime is 505042877. The next prime is 505042897. The reversal of 505042884 is 488240505.

505042884 is a `hidden beast` number, since 50 + 504 + 28 + 84 = 666.

It is a super-3 number, since 3×505042884³ (a number of 27 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 2338054 + ... + 2338269.

Almost surely, 2^505042884 is an apocalyptic number.

505042884 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

505042884 is an abundant number, since it is smaller than the sum of its proper divisors (804327836).

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

505042884 is a wasteful number, since it uses less digits than its factorization.

505042884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4676336 (or 4676328 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 36.

The square root of 505042884 is about 22473.1591904654. The cubic root of 505042884 is about 796.3599648835.

The spelling of 505042884 in words is "five hundred five million, forty-two thousand, eight hundred eighty-four".