540443330405 has 24 divisors (see below), whose sum is σ = 712901688576. Its totient is φ = 393020765280.

The previous prime is 540443330393. The next prime is 540443330501. The reversal of 540443330405 is 504033344045.

It is not a de Polignac number, because 540443330405 - 2³⁰ = 539369588581 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11582432 + ... + 11628998.

It is an arithmetic number, because the mean of its divisors is an integer number (29704237024).

Almost surely, 2^540443330405 is an apocalyptic number.

540443330405 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

540443330405 is a deficient number, since it is larger than the sum of its proper divisors (172458358171).

540443330405 is a wasteful number, since it uses less digits than its factorization.

540443330405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65777 (or 65766 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 35.

The spelling of 540443330405 in words is "five hundred forty billion, four hundred forty-three million, three hundred thirty thousand, four hundred five".