1996540492 has 24 divisors (see below), whose sum is σ = 3665793152. Its totient is φ = 950227200.

The previous prime is 1996540487. The next prime is 1996540531. The reversal of 1996540492 is 2940456991.

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, 124413 + ... + 139540.

Almost surely, 2^1996540492 is an apocalyptic number.

It is an amenable number.

1996540492 is a deficient number, since it is larger than the sum of its proper divisors (1669252660).

1996540492 is a wasteful number, since it uses less digits than its factorization.

1996540492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264049 (or 264047 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 49.

The square root of 1996540492 is about 44682.6643341688. The cubic root of 1996540492 is about 1259.1941794727.

The spelling of 1996540492 in words is "one billion, nine hundred ninety-six million, five hundred forty thousand, four hundred ninety-two".