540591992 has 8 divisors (see below), whose sum is σ = 1013610000. Its totient is φ = 270295992.

The previous prime is 540591991. The next prime is 540592007. The reversal of 540591992 is 299195045.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540591991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33786992 + ... + 33787007.

It is an arithmetic number, because the mean of its divisors is an integer number (126701250).

Almost surely, 2^540591992 is an apocalyptic number.

It is an amenable number.

540591992 is a deficient number, since it is larger than the sum of its proper divisors (473018008).

540591992 is a wasteful number, since it uses less digits than its factorization.

540591992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67574005 (or 67574001 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 44.

The square root of 540591992 is about 23250.6342279087. The cubic root of 540591992 is about 814.6227528787.

The spelling of 540591992 in words is "five hundred forty million, five hundred ninety-one thousand, nine hundred ninety-two".