1540318828 has 24 divisors (see below), whose sum is σ = 2840499200. Its totient is φ = 728835408.

The previous prime is 1540318799. The next prime is 1540318877. The reversal of 1540318828 is 8288130451.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63013 + ... + 83971.

Almost surely, 2^1540318828 is an apocalyptic number.

It is an amenable number.

1540318828 is a deficient number, since it is larger than the sum of its proper divisors (1300180372).

1540318828 is a wasteful number, since it uses less digits than its factorization.

1540318828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21949 (or 21947 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 40.

The square root of 1540318828 is about 39246.8957753349. The cubic root of 1540318828 is about 1154.8800380146.

The spelling of 1540318828 in words is "one billion, five hundred forty million, three hundred eighteen thousand, eight hundred twenty-eight".