490523664 has 80 divisors (see below), whose sum is σ = 1326772224. Its totient is φ = 155971200.

The previous prime is 490523641. The next prime is 490523687. The reversal of 490523664 is 466325094.

It is an interprime number because it is at equal distance from previous prime (490523641) and next prime (490523687).

It is a super-2 number, since 2×490523664² = 481226929887969792, which contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 103327 + ... + 107969.

Almost surely, 2^490523664 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 490523664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (663386112).

490523664 is an abundant number, since it is smaller than the sum of its proper divisors (836248560).

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

490523664 is a wasteful number, since it uses less digits than its factorization.

490523664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4756 (or 4750 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 39.

The square root of 490523664 is about 22147.7688266787. The cubic root of 490523664 is about 788.6542617851.

The spelling of 490523664 in words is "four hundred ninety million, five hundred twenty-three thousand, six hundred sixty-four".