540840785 has 8 divisors (see below), whose sum is σ = 651920640. Its totient is φ = 430731504.

The previous prime is 540840739. The next prime is 540840829. The reversal of 540840785 is 587048045.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-540840785 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 241415 + ... + 243644.

It is an arithmetic number, because the mean of its divisors is an integer number (81490080).

Almost surely, 2^540840785 is an apocalyptic number.

It is an amenable number.

540840785 is a deficient number, since it is larger than the sum of its proper divisors (111079855).

540840785 is a wasteful number, since it uses less digits than its factorization.

540840785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485287.

The product of its (nonzero) digits is 179200, while the sum is 41.

The square root of 540840785 is about 23255.9838536236. The cubic root of 540840785 is about 814.7477031542.

The spelling of 540840785 in words is "five hundred forty million, eight hundred forty thousand, seven hundred eighty-five".