490697314157568 has 176 divisors, whose sum is σ = 1495279811349504. Its totient is φ = 140147501015040.

The previous prime is 490697314157389. The next prime is 490697314157581. The reversal of 490697314157568 is 865751413796094.

It is a self number, because there is not a number n which added to its sum of digits gives 490697314157568.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54088771 + ... + 62505917.

Almost surely, 2^{490697314157568} is an apocalyptic number.

490697314157568 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 490697314157568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (747639905674752).

490697314157568 is an abundant number, since it is smaller than the sum of its proper divisors (1004582497191936).

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

490697314157568 is a wasteful number, since it uses less digits than its factorization.

490697314157568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8419888 (or 8419870 counting only the distinct ones).

The product of its (nonzero) digits is 1371686400, while the sum is 75.

The spelling of 490697314157568 in words is "four hundred ninety trillion, six hundred ninety-seven billion, three hundred fourteen million, one hundred fifty-seven thousand, five hundred sixty-eight".