490959423936 has 168 divisors, whose sum is σ = 1494963039024. Its totient is φ = 159661393920.

The previous prime is 490959423881. The next prime is 490959423937. The reversal of 490959423936 is 639324959094.

490959423936 is a `hidden beast` number, since 4 + 9 + 0 + 9 + 594 + 2 + 3 + 9 + 36 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (490959423937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 252646 + ... + 1022618.

It is an arithmetic number, because the mean of its divisors is an integer number (8898589518).

Almost surely, 2^490959423936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 490959423936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (747481519512).

490959423936 is an abundant number, since it is smaller than the sum of its proper divisors (1004003615088).

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

490959423936 is an equidigital number, since it uses as much as digits as its factorization.

490959423936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770041 (or 770019 counting only the distinct ones).

The product of its (nonzero) digits is 56687040, while the sum is 63.

The spelling of 490959423936 in words is "four hundred ninety billion, nine hundred fifty-nine million, four hundred twenty-three thousand, nine hundred thirty-six".