540767638 has 8 divisors (see below), whose sum is σ = 813026088. Its totient is φ = 269758944.

The previous prime is 540767597. The next prime is 540767657. The reversal of 540767638 is 836767045.

540767638 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 a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 311356 + ... + 313087.

It is an arithmetic number, because the mean of its divisors is an integer number (101628261).

Almost surely, 2^540767638 is an apocalyptic number.

540767638 is a deficient number, since it is larger than the sum of its proper divisors (272258450).

540767638 is a wasteful number, since it uses less digits than its factorization.

540767638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624878.

The product of its (nonzero) digits is 846720, while the sum is 46.

The square root of 540767638 is about 23254.4111514353. The cubic root of 540767638 is about 814.7109708176.

The spelling of 540767638 in words is "five hundred forty million, seven hundred sixty-seven thousand, six hundred thirty-eight".