540541766 has 4 divisors (see below), whose sum is σ = 810812652. Its totient is φ = 270270882.

The previous prime is 540541723. The next prime is 540541789. The reversal of 540541766 is 667145045.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135135440 + ... + 135135443.

It is an arithmetic number, because the mean of its divisors is an integer number (202703163).

Almost surely, 2^540541766 is an apocalyptic number.

540541766 is a deficient number, since it is larger than the sum of its proper divisors (270270886).

540541766 is a wasteful number, since it uses less digits than its factorization.

540541766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270270885.

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 540541766 is about 23249.5541032511. The cubic root of 540541766 is about 814.5975234326.

The spelling of 540541766 in words is "five hundred forty million, five hundred forty-one thousand, seven hundred sixty-six".