540039973 has 8 divisors (see below), whose sum is σ = 589451616. Its totient is φ = 490681200.

The previous prime is 540039961. The next prime is 540039979. The reversal of 540039973 is 379930045.

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

It is a cyclic number.

It is not a de Polignac number, because 540039973 - 2²⁵ = 506485541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540039979) 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 7 ways as a sum of consecutive naturals, for example, 9915 + ... + 34327.

It is an arithmetic number, because the mean of its divisors is an integer number (73681452).

Almost surely, 2^540039973 is an apocalyptic number.

It is an amenable number.

540039973 is a deficient number, since it is larger than the sum of its proper divisors (49411643).

540039973 is a wasteful number, since it uses less digits than its factorization.

540039973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26435.

The product of its (nonzero) digits is 102060, while the sum is 40.

The square root of 540039973 is about 23238.7601433467. The cubic root of 540039973 is about 814.3453777078.

The spelling of 540039973 in words is "five hundred forty million, thirty-nine thousand, nine hundred seventy-three".