504453420 has 192 divisors, whose sum is σ = 1675161600. Its totient is φ = 127230912.

The previous prime is 504453419. The next prime is 504453451. The reversal of 504453420 is 24354405.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 830757 + ... + 831363.

It is an arithmetic number, because the mean of its divisors is an integer number (8724800).

Almost surely, 2^504453420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 504453420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (837580800).

504453420 is an abundant number, since it is smaller than the sum of its proper divisors (1170708180).

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

504453420 is a wasteful number, since it uses less digits than its factorization.

504453420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656 (or 636 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 504453420 is about 22460.0405164372. The cubic root of 504453420 is about 796.0500187418.

The spelling of 504453420 in words is "five hundred four million, four hundred fifty-three thousand, four hundred twenty".