490990800 has 120 divisors (see below), whose sum is σ = 1577731360. Its totient is φ = 130521600.

The previous prime is 490990771. The next prime is 490990847. The reversal of 490990800 is 8099094.

490990800 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (120).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 742470 + ... + 743130.

Almost surely, 2^490990800 is an apocalyptic number.

490990800 is a gapful number since it is divisible by the number (40) 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 490990800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (788865680).

490990800 is an abundant number, since it is smaller than the sum of its proper divisors (1086740560).

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

490990800 is a wasteful number, since it uses less digits than its factorization.

490990800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1301 (or 1290 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 490990800 is about 22158.3122100940. The cubic root of 490990800 is about 788.9045330349.

The spelling of 490990800 in words is "four hundred ninety million, nine hundred ninety thousand, eight hundred".