540784069 has 8 divisors (see below), whose sum is σ = 629700480. Its totient is φ = 454783056.

The previous prime is 540784051. The next prime is 540784091. The reversal of 540784069 is 960487045.

540784069 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 540784069 - 2⁷ = 540783941 is a prime.

It is a super-2 number, since 2×540784069² = 584894818568393522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540784369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 728449 + ... + 729190.

It is an arithmetic number, because the mean of its divisors is an integer number (78712560).

Almost surely, 2^540784069 is an apocalyptic number.

It is an amenable number.

540784069 is a deficient number, since it is larger than the sum of its proper divisors (88916411).

540784069 is a wasteful number, since it uses less digits than its factorization.

540784069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1457699.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 540784069 is about 23254.7644365622. The cubic root of 540784069 is about 814.7192222855.

The spelling of 540784069 in words is "five hundred forty million, seven hundred eighty-four thousand, sixty-nine".