504445630 has 64 divisors (see below), whose sum is σ = 1037836800. Its totient is φ = 174994560.

The previous prime is 504445621. The next prime is 504445639. The reversal of 504445630 is 36544405.

It is an interprime number because it is at equal distance from previous prime (504445621) and next prime (504445639).

It is a junction number, because it is equal to n+sod(n) for n = 504445592 and 504445601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (504445639) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 322791 + ... + 324349.

It is an arithmetic number, because the mean of its divisors is an integer number (16216200).

Almost surely, 2^504445630 is an apocalyptic number.

504445630 is an abundant number, since it is smaller than the sum of its proper divisors (533391170).

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

504445630 is a wasteful number, since it uses less digits than its factorization.

504445630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1729.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 504445630 is about 22459.8670966682. The cubic root of 504445630 is about 796.0459210648.

The spelling of 504445630 in words is "five hundred four million, four hundred forty-five thousand, six hundred thirty".