505140004 has 12 divisors (see below), whose sum is σ = 930521200. Its totient is φ = 239276808.

The previous prime is 505139959. The next prime is 505140019. The reversal of 505140004 is 400041505.

It is a super-2 number, since 2×505140004² = 510332847282240032, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3323214 + ... + 3323365.

Almost surely, 2^505140004 is an apocalyptic number.

It is an amenable number.

505140004 is a deficient number, since it is larger than the sum of its proper divisors (425381196).

505140004 is a wasteful number, since it uses less digits than its factorization.

505140004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6646602 (or 6646600 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 505140004 is about 22475.3198864888. The cubic root of 505140004 is about 796.4110084187.

Adding to 505140004 its reverse (400041505), we get a palindrome (905181509).

The spelling of 505140004 in words is "five hundred five million, one hundred forty thousand, four".