1540086318 has 32 divisors (see below), whose sum is σ = 3495237120. Its totient is φ = 502438680.

The previous prime is 1540086311. The next prime is 1540086341. The reversal of 1540086318 is 8136800451.

1540086318 is a `hidden beast` number, since 1 + 540 + 0 + 86 + 31 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1540086311) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 300868 + ... + 305943.

It is an arithmetic number, because the mean of its divisors is an integer number (109226160).

Almost surely, 2^1540086318 is an apocalyptic number.

1540086318 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1540086318 is an abundant number, since it is smaller than the sum of its proper divisors (1955150802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1540086318 is a wasteful number, since it uses less digits than its factorization.

1540086318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606869 (or 606863 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 1540086318 is about 39243.9335184433. The cubic root of 1540086318 is about 1154.8219256583.

Adding to 1540086318 its reverse (8136800451), we get a palindrome (9676886769).

The spelling of 1540086318 in words is "one billion, five hundred forty million, eighty-six thousand, three hundred eighteen".