540040221005515 has 16 divisors (see below), whose sum is σ = 663155633090016. Its totient is φ = 421961703609600.

The previous prime is 540040221005471. The next prime is 540040221005557. The reversal of 540040221005515 is 515500122040045.

It is not a de Polignac number, because 540040221005515 - 2⁷ = 540040221005387 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65169106 + ... + 72986935.

It is an arithmetic number, because the mean of its divisors is an integer number (41447227068126).

Almost surely, 2^{540040221005515} is an apocalyptic number.

540040221005515 is a deficient number, since it is larger than the sum of its proper divisors (123115412084501).

540040221005515 is a wasteful number, since it uses less digits than its factorization.

540040221005515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138174270.

The product of its (nonzero) digits is 40000, while the sum is 34.

The spelling of 540040221005515 in words is "five hundred forty trillion, forty billion, two hundred twenty-one million, five thousand, five hundred fifteen".