540394730 has 16 divisors (see below), whose sum is σ = 988657704. Its totient is φ = 212614080.

The previous prime is 540394727. The next prime is 540394733. The reversal of 540394730 is 37493045.

It is an interprime number because it is at equal distance from previous prime (540394727) and next prime (540394733).

It can be written as a sum of positive squares in 4 ways, for example, as 91336249 + 449058481 = 9557^2 + 21191^2 .

It is not an unprimeable number, because it can be changed into a prime (540394733) 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 in 7 ways as a sum of consecutive naturals, for example, 442337 + ... + 443556.

Almost surely, 2^540394730 is an apocalyptic number.

540394730 is a deficient number, since it is larger than the sum of its proper divisors (448262974).

540394730 is a wasteful number, since it uses less digits than its factorization.

540394730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 885961.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 540394730 is about 23246.3917630242. The cubic root of 540394730 is about 814.5236555523.

The spelling of 540394730 in words is "five hundred forty million, three hundred ninety-four thousand, seven hundred thirty".