504016440 has 32 divisors (see below), whose sum is σ = 1512049680. Its totient is φ = 134404352.

The previous prime is 504016427. The next prime is 504016441. The reversal of 504016440 is 44610405.

It is a super-3 number, since 3×504016440³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 504016440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504016441) 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, 2099949 + ... + 2100188.

Almost surely, 2^504016440 is an apocalyptic number.

It is an amenable number.

504016440 is an abundant number, since it is smaller than the sum of its proper divisors (1008033240).

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

504016440 is a wasteful number, since it uses less digits than its factorization.

504016440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4200151 (or 4200147 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 504016440 is about 22450.3104655593. The cubic root of 504016440 is about 795.8200943556.

Adding to 504016440 its reverse (44610405), we get a palindrome (548626845).

The spelling of 504016440 in words is "five hundred four million, sixteen thousand, four hundred forty".