540040461 has 4 divisors (see below), whose sum is σ = 720053952. Its totient is φ = 360026972.

The previous prime is 540040409. The next prime is 540040463. The reversal of 540040461 is 164040045.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 540040461 - 2¹⁷ = 539909389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540040463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90006741 + ... + 90006746.

It is an arithmetic number, because the mean of its divisors is an integer number (180013488).

Almost surely, 2^540040461 is an apocalyptic number.

It is an amenable number.

540040461 is a deficient number, since it is larger than the sum of its proper divisors (180013491).

540040461 is a wasteful number, since it uses less digits than its factorization.

540040461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180013490.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 540040461 is about 23238.7706430439. The cubic root of 540040461 is about 814.3456229985.

The spelling of 540040461 in words is "five hundred forty million, forty thousand, four hundred sixty-one".