1540656316 has 12 divisors (see below), whose sum is σ = 2696457960. Its totient is φ = 770239760.

The previous prime is 1540656239. The next prime is 1540656361. The reversal of 1540656316 is 6136560451.

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 3 ways as a sum of consecutive naturals, for example, 31626 + ... + 63886.

It is an arithmetic number, because the mean of its divisors is an integer number (224704830).

Almost surely, 2^1540656316 is an apocalyptic number.

It is an amenable number.

1540656316 is a deficient number, since it is larger than the sum of its proper divisors (1155801644).

1540656316 is a wasteful number, since it uses less digits than its factorization.

1540656316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44204 (or 44202 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 1540656316 is about 39251.1950900861. The cubic root of 1540656316 is about 1154.9643776299.

The spelling of 1540656316 in words is "one billion, five hundred forty million, six hundred fifty-six thousand, three hundred sixteen".