1490544868 has 12 divisors (see below), whose sum is σ = 2608744320. Its totient is φ = 745189352.

The previous prime is 1490544859. The next prime is 1490544899. The reversal of 1490544868 is 8684450941.

It is a happy number.

It is a super-2 number, since 2×1490544868² = 4443448007042274848, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 38193 + ... + 66631.

It is an arithmetic number, because the mean of its divisors is an integer number (217395360).

Almost surely, 2^1490544868 is an apocalyptic number.

It is an amenable number.

1490544868 is a deficient number, since it is larger than the sum of its proper divisors (1118199452).

1490544868 is a wasteful number, since it uses less digits than its factorization.

1490544868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41546 (or 41544 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 49.

The square root of 1490544868 is about 38607.5752670379. The cubic root of 1490544868 is about 1142.3039657145.

The spelling of 1490544868 in words is "one billion, four hundred ninety million, five hundred forty-four thousand, eight hundred sixty-eight".