540403400015 has 16 divisors (see below), whose sum is σ = 687635591328. Its totient is φ = 406296185856.

The previous prime is 540403399979. The next prime is 540403400057. The reversal of 540403400015 is 510004304045.

It is a cyclic number.

It is not a de Polignac number, because 540403400015 - 2⁶ = 540403399951 is a prime.

It is a Duffinian number.

It is a congruent 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, 4596182 + ... + 4712291.

It is an arithmetic number, because the mean of its divisors is an integer number (42977224458).

Almost surely, 2^540403400015 is an apocalyptic number.

540403400015 is a deficient number, since it is larger than the sum of its proper divisors (147232191313).

540403400015 is a wasteful number, since it uses less digits than its factorization.

540403400015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9309178.

The product of its (nonzero) digits is 4800, while the sum is 26.

The spelling of 540403400015 in words is "five hundred forty billion, four hundred three million, four hundred thousand, fifteen".