489502456 has 8 divisors (see below), whose sum is σ = 917817120. Its totient is φ = 244751224.

The previous prime is 489502441. The next prime is 489502457. The reversal of 489502456 is 654205984.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×489502456² = 479225308860063872, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (489502457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30593896 + ... + 30593911.

It is an arithmetic number, because the mean of its divisors is an integer number (114727140).

Almost surely, 2^489502456 is an apocalyptic number.

It is an amenable number.

489502456 is a deficient number, since it is larger than the sum of its proper divisors (428314664).

489502456 is a wasteful number, since it uses less digits than its factorization.

489502456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61187813 (or 61187809 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 43.

The square root of 489502456 is about 22124.7023934787. The cubic root of 489502456 is about 788.1065888609.

The spelling of 489502456 in words is "four hundred eighty-nine million, five hundred two thousand, four hundred fifty-six".