540426400145 has 4 divisors (see below), whose sum is σ = 648511680180. Its totient is φ = 432341120112.

The previous prime is 540426400121. The next prime is 540426400183. The reversal of 540426400145 is 541004624045.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 160022400784 + 380403999361 = 400028^2 + 616769^2 .

It is a cyclic number.

It is not a de Polignac number, because 540426400145 - 2³² = 536131432849 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54042640010 + ... + 54042640019.

It is an arithmetic number, because the mean of its divisors is an integer number (162127920045).

Almost surely, 2^540426400145 is an apocalyptic number.

It is an amenable number.

540426400145 is a deficient number, since it is larger than the sum of its proper divisors (108085280035).

540426400145 is a wasteful number, since it uses less digits than its factorization.

540426400145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108085280034.

The product of its (nonzero) digits is 76800, while the sum is 35.

The spelling of 540426400145 in words is "five hundred forty billion, four hundred twenty-six million, four hundred thousand, one hundred forty-five".