540421105 has 16 divisors (see below), whose sum is σ = 743531904. Its totient is φ = 369383040.

The previous prime is 540421103. The next prime is 540421111. The reversal of 540421105 is 501124045.

It is not a de Polignac number, because 540421105 - 2¹ = 540421103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540421103) 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, 13711 + ... + 35620.

It is an arithmetic number, because the mean of its divisors is an integer number (46470744).

Almost surely, 2^540421105 is an apocalyptic number.

It is an amenable number.

540421105 is a deficient number, since it is larger than the sum of its proper divisors (203110799).

540421105 is a wasteful number, since it uses less digits than its factorization.

540421105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49656.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 540421105 is about 23246.9590484433. The cubic root of 540421105 is about 814.5369067992.

The spelling of 540421105 in words is "five hundred forty million, four hundred twenty-one thousand, one hundred five".