490731544 has 32 divisors (see below), whose sum is σ = 973954800. Its totient is φ = 231154560.

The previous prime is 490731529. The next prime is 490731557. The reversal of 490731544 is 445137094.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18594 + ... + 36430.

Almost surely, 2^490731544 is an apocalyptic number.

It is an amenable number.

490731544 is a deficient number, since it is larger than the sum of its proper divisors (483223256).

490731544 is a wasteful number, since it uses less digits than its factorization.

490731544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18043 (or 18039 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 490731544 is about 22152.4613530867. The cubic root of 490731544 is about 788.7656545040.

The spelling of 490731544 in words is "four hundred ninety million, seven hundred thirty-one thousand, five hundred forty-four".