504645402 has 8 divisors (see below), whose sum is σ = 1009290816. Its totient is φ = 168215132.

The previous prime is 504645367. The next prime is 504645409. The reversal of 504645402 is 204546405.

It is a sphenic number, since it is the product of 3 distinct primes.

504645402 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 504645402.

It is not an unprimeable number, because it can be changed into a prime (504645409) 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 3 ways as a sum of consecutive naturals, for example, 42053778 + ... + 42053789.

It is an arithmetic number, because the mean of its divisors is an integer number (126161352).

Almost surely, 2^504645402 is an apocalyptic number.

504645402 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

504645402 is a wasteful number, since it uses less digits than its factorization.

504645402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84107572.

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 504645402 is about 22464.3139668230. The cubic root of 504645402 is about 796.1509913228.

The spelling of 504645402 in words is "five hundred four million, six hundred forty-five thousand, four hundred two".