504438240 has 48 divisors (see below), whose sum is σ = 1588981968. Its totient is φ = 134516736.

The previous prime is 504438217. The next prime is 504438241. The reversal of 504438240 is 42834405.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 504438198 and 504438207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504438241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 524977 + ... + 525936.

It is an arithmetic number, because the mean of its divisors is an integer number (33103791).

Almost surely, 2^504438240 is an apocalyptic number.

It is an amenable number.

504438240 is an abundant number, since it is smaller than the sum of its proper divisors (1084543728).

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

504438240 is a wasteful number, since it uses less digits than its factorization.

504438240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050931 (or 1050923 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 504438240 is about 22459.7025803994. The cubic root of 504438240 is about 796.0420337558.

The spelling of 504438240 in words is "five hundred four million, four hundred thirty-eight thousand, two hundred forty".