504481278 has 16 divisors (see below), whose sum is σ = 1153100160. Its totient is φ = 144137496.

The previous prime is 504481277. The next prime is 504481279. The reversal of 504481278 is 872184405.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (504481277) and next prime (504481279).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504481277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6005688 + ... + 6005771.

It is an arithmetic number, because the mean of its divisors is an integer number (72068760).

Almost surely, 2^504481278 is an apocalyptic number.

504481278 is an abundant number, since it is smaller than the sum of its proper divisors (648618882).

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

504481278 is a wasteful number, since it uses less digits than its factorization.

504481278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12011471.

The product of its (nonzero) digits is 71680, while the sum is 39.

The square root of 504481278 is about 22460.6606759463. The cubic root of 504481278 is about 796.0646721947.

The spelling of 504481278 in words is "five hundred four million, four hundred eighty-one thousand, two hundred seventy-eight".