490643480 has 32 divisors (see below), whose sum is σ = 1104624000. Its totient is φ = 196137216.

The previous prime is 490643467. The next prime is 490643497. The reversal of 490643480 is 84346094.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 93404 + ... + 98516.

It is an arithmetic number, because the mean of its divisors is an integer number (34519500).

Almost surely, 2^490643480 is an apocalyptic number.

490643480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

490643480 is an abundant number, since it is smaller than the sum of its proper divisors (613980520).

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

490643480 is a wasteful number, since it uses less digits than its factorization.

490643480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7523 (or 7519 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 490643480 is about 22150.4735841020. The cubic root of 490643480 is about 788.7184691573.

The spelling of 490643480 in words is "four hundred ninety million, six hundred forty-three thousand, four hundred eighty".