540278011 has 16 divisors (see below), whose sum is σ = 671070400. Its totient is φ = 423543168.

The previous prime is 540277967. The next prime is 540278021. The reversal of 540278011 is 110872045.

It is a cyclic number.

It is not a de Polignac number, because 540278011 - 2²¹ = 538180859 is a prime.

It is a super-2 number, since 2×540278011² = 583800658340232242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (540278021) 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, 17316 + ... + 37153.

It is an arithmetic number, because the mean of its divisors is an integer number (41941900).

Almost surely, 2^540278011 is an apocalyptic number.

540278011 is a deficient number, since it is larger than the sum of its proper divisors (130792389).

540278011 is a wasteful number, since it uses less digits than its factorization.

540278011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54598.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 540278011 is about 23243.8811518214. The cubic root of 540278011 is about 814.4650087726.

The spelling of 540278011 in words is "five hundred forty million, two hundred seventy-eight thousand, eleven".