540415015 has 16 divisors (see below), whose sum is σ = 773365248. Its totient is φ = 354458016.

The previous prime is 540415003. The next prime is 540415021. The reversal of 540415015 is 510514045.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-540415015 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 334857 + ... + 336466.

It is an arithmetic number, because the mean of its divisors is an integer number (48335328).

Almost surely, 2^540415015 is an apocalyptic number.

540415015 is a deficient number, since it is larger than the sum of its proper divisors (232950233).

540415015 is a wasteful number, since it uses less digits than its factorization.

540415015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671358.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 540415015 is about 23246.8280632004. The cubic root of 540415015 is about 814.5338471183.

The spelling of 540415015 in words is "five hundred forty million, four hundred fifteen thousand, fifteen".