540400330505 has 16 divisors (see below), whose sum is σ = 741208596480. Its totient is φ = 370516155072.

The previous prime is 540400330501. The next prime is 540400330517. The reversal of 540400330505 is 505033004045.

It is not a de Polignac number, because 540400330505 - 2² = 540400330501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (540400330501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 618290 + ... + 1209579.

It is an arithmetic number, because the mean of its divisors is an integer number (46325537280).

Almost surely, 2^540400330505 is an apocalyptic number.

It is an amenable number.

540400330505 is a deficient number, since it is larger than the sum of its proper divisors (200808265975).

540400330505 is a wasteful number, since it uses less digits than its factorization.

540400330505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1836328.

The product of its (nonzero) digits is 18000, while the sum is 29.

The spelling of 540400330505 in words is "five hundred forty billion, four hundred million, three hundred thirty thousand, five hundred five".