1540027843 has 32 divisors (see below), whose sum is σ = 1703116800. Its totient is φ = 1387562400.

The previous prime is 1540027799. The next prime is 1540027849. The reversal of 1540027843 is 3487200451.

It is not a de Polignac number, because 1540027843 - 2¹³ = 1540019651 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1540027799 and 1540027808.

It is not an unprimeable number, because it can be changed into a prime (1540027849) 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 31 ways as a sum of consecutive naturals, for example, 8062878 + ... + 8063068.

It is an arithmetic number, because the mean of its divisors is an integer number (53222400).

Almost surely, 2^1540027843 is an apocalyptic number.

1540027843 is a deficient number, since it is larger than the sum of its proper divisors (163088957).

1540027843 is a wasteful number, since it uses less digits than its factorization.

1540027843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 1540027843 is about 39243.1884917625. The cubic root of 1540027843 is about 1154.8073097964.

The spelling of 1540027843 in words is "one billion, five hundred forty million, twenty-seven thousand, eight hundred forty-three".