490724954656 has 24 divisors (see below), whose sum is σ = 966526540560. Its totient is φ = 245257896768.

The previous prime is 490724954641. The next prime is 490724954659. The reversal of 490724954656 is 656459427094.

It is a super-2 number, since 2×490724954656² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 490724954594 and 490724954603.

It is not an unprimeable number, because it can be changed into a prime (490724954659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3191866 + ... + 3342073.

It is an arithmetic number, because the mean of its divisors is an integer number (40271939190).

Almost surely, 2^490724954656 is an apocalyptic number.

It is an amenable number.

490724954656 is a deficient number, since it is larger than the sum of its proper divisors (475801585904).

490724954656 is a wasteful number, since it uses less digits than its factorization.

490724954656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6536296 (or 6536288 counting only the distinct ones).

The product of its (nonzero) digits is 65318400, while the sum is 61.

The spelling of 490724954656 in words is "four hundred ninety billion, seven hundred twenty-four million, nine hundred fifty-four thousand, six hundred fifty-six".