1540650808 has 16 divisors (see below), whose sum is σ = 2905420680. Its totient is φ = 765871968.

The previous prime is 1540650773. The next prime is 1540650817. The reversal of 1540650808 is 8080560451.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555210 + ... + 557977.

Almost surely, 2^1540650808 is an apocalyptic number.

It is an amenable number.

1540650808 is a deficient number, since it is larger than the sum of its proper divisors (1364769872).

1540650808 is a wasteful number, since it uses less digits than its factorization.

1540650808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1113366 (or 1113362 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 37.

The square root of 1540650808 is about 39251.1249265547. The cubic root of 1540650808 is about 1154.9630012573.

The spelling of 1540650808 in words is "one billion, five hundred forty million, six hundred fifty thousand, eight hundred eight".