504220032 has 64 divisors (see below), whose sum is σ = 1488159600. Its totient is φ = 168072192.

The previous prime is 504219971. The next prime is 504220037. The reversal of 504220032 is 230022405.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 504219987 and 504220014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504220037) 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, 69493 + ... + 76404.

Almost surely, 2^504220032 is an apocalyptic number.

It is an amenable number.

504220032 is an abundant number, since it is smaller than the sum of its proper divisors (983939568).

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

504220032 is a wasteful number, since it uses less digits than its factorization.

504220032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145920 (or 145902 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 504220032 is about 22454.8442880373. The cubic root of 504220032 is about 795.9272342430.

Adding to 504220032 its reverse (230022405), we get a palindrome (734242437).

The spelling of 504220032 in words is "five hundred four million, two hundred twenty thousand, thirty-two".